Tsiklon-2

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Tsiklon-2

Part of R-36

Tsiklon-2
Credit: Ukrainian Space Agency

Ukrainian orbital launch vehicle. A government decree of 24 August 1965 ordered development by Yangel of a version of his R-36 rocket to orbit Chelomei's IS (Istrebitel Sputnik) ASAT and US (Upravlenniye Sputnik) naval intelligence satellites. The Tsyklon 2 definitive operational version replaced the 11K67 launch vehicle from 1969 and was an adaptation of the 8K69 (SS-9) two stage ICBM. The IS and US Raketoplan-derived payloads had their own engines for insertion into final orbit.

AKA: 11K69;F-1;Scarp;SL-11;Tsyklon M. Status: Active. First Launch: 1969-08-06. Last Launch: 2006-06-24. Number: 106 . Payload: 2,820 kg (6,210 lb). Thrust: 2,366.00 kN (531,897 lbf). Gross mass: 182,000 kg (401,000 lb). Height: 39.70 m (130.20 ft). Diameter: 3.00 m (9.80 ft). Apogee: 200 km (120 mi).

LEO Payload: 2,820 kg (6,210 lb) to a 200 km orbit at 65.00 degrees. Launch Price $: 12.000 million in 1994 dollars.

More at: Tsiklon-2.

Family: orbital launch vehicle. Country: Ukraine. Engines: RD-251, RD-252, RD-861, RD-861K. Spacecraft: US-A, IS-A, IS-P, US-P, Plazma-A, US-PU. Projects: EORSAT, RORSAT. Launch Sites: Baikonur, Baikonur LC90/19, Baikonur LC90/20. Stages: Tsyklon 2-1, Tsyklon 2-2, Tsyklon 2-3. Agency: Yuzhnoye.

1967 July 1 - . LV Family: R-36. Launch Vehicle: Tsiklon-2.

Tsiklon-2 launch vehicle authorised. - . Nation: Russia. Spacecraft: IS-A, Meteor, US-A. Council of Soviet Ministers (SM) Decree 'On use of the R-36-based launcher for the Kosmos and Meteor satellites' was issued..

1969 August 6 - . 05:40 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 291 - . Payload: IS-P Mass Model. Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: PKO. Class: Military. Type: Anti-satellite system target. Spacecraft Bus: Kosmoplan. Spacecraft: IS-P. Decay Date: 1969-09-08 . USAF Sat Cat: 4058 . COSPAR: 1969-066A. Apogee: 548 km (340 mi). Perigee: 144 km (89 mi). Inclination: 62.20 deg. Period: 91.40 min. Test of Tsyklon 2 booster; ASAT target mass model. Did not enter typical target orbit due to lack of on-board engine. Simulated launch of ASAT interceptor planned for the next day was cancelled..

1969 November 1 - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/20. Launch Pad: LC90/20?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Test mission - . Nation: Russia. Agency: RVSN. Apogee: 200 km (120 mi).

1969 December 23 - . 09:25 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 316 - . Payload: IS-A Mass Model. Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: PKO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1970-08-28 . USAF Sat Cat: 4282 . COSPAR: 1969-108A. Apogee: 1,638 km (1,017 mi). Perigee: 152 km (94 mi). Inclination: 49.50 deg. Period: 102.80 min.
Test of Tsyklon 2 booster; mass model of ASAT. When the satellite decayed over US Midwest on 28 August 1970, teams of the USAF 1127th Special Group were able to recover six pieces from five locations in Texas, Oklahoma, and Kansas. These showed that the necessary operational systems - translation engines, sensors, weapons systems - were dummied by steel weights. However factory markings on the recovered material proved to the Air Force analysts that they were dealing with an ASAT weapon.

1970 October 3 - . 10:26 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 367 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: PKO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1970-10-31 . USAF Sat Cat: 4566 . COSPAR: 1970-079C. Apogee: 1,022 km (635 mi). Perigee: 915 km (568 mi). Inclination: 65.30 deg. Period: 104.50 min. Ocean surveillance; probably used chemical batteries..

1970 October 20 - . 05:38 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 373 - . Mass: 650 kg (1,430 lb). Nation: Russia. Agency: PKO. Class: Military. Type: Anti-satellite system target. Spacecraft Bus: Kosmoplan. Spacecraft: IS-P. Decay Date: 1980-03-08 . USAF Sat Cat: 4590 . COSPAR: 1970-087A. Apogee: 1,103 km (685 mi). Perigee: 510 km (310 mi). Inclination: 62.90 deg. Period: 101.00 min. ASAT target. Maneuvered twice to provide target for Cosmos 374 and 375 interceptors..

1970 October 23 - . 04:42 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 374 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: PKO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1970-10-23 . USAF Sat Cat: 4594 . COSPAR: 1970-089A. Apogee: 1,464 km (909 mi). Perigee: 531 km (329 mi). Inclination: 63.00 deg. Period: 105.10 min. ASAT interceptor. Intercepted Cosmos 374 on second orbit. Blown up on instructions from ground..

1970 October 30 - . 02:36 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 375 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: PKO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1970-10-30 . USAF Sat Cat: 4598 . COSPAR: 1970-091A. Apogee: 1,986 km (1,234 mi). Perigee: 579 km (359 mi). Inclination: 62.80 deg. Period: 111.20 min.
ASAT interceptor. Intercept on second orbit. Blown up on instructions from ground. Dual launch of interceptors was intended to help ground staff perfect computational methods for quick-response launches when orbital methods of target were not precisely known.

1971 February 25 - . 11:11 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 397 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: PKO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. USAF Sat Cat: 4964 . COSPAR: 1971-015A. Apogee: 2,164 km (1,344 mi). Perigee: 572 km (355 mi). Inclination: 65.70 deg. Period: 113.10 min. ASAT interceptor. Intercept and destruction of target successful on second orbit..

1971 April 1 - . 11:29 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 402 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1971-05-06 . USAF Sat Cat: 5107 . COSPAR: 1971-025B. Apogee: 1,011 km (628 mi). Perigee: 965 km (599 mi). Inclination: 65.00 deg. Period: 104.90 min. Ocean surveillance; probably used chemical batteries..

1971 April 4 - . 14:27 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 404 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: PKO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1971-04-04 . USAF Sat Cat: 5113 . COSPAR: 1971-027A. Apogee: 1,010 km (620 mi). Perigee: 802 km (498 mi). Inclination: 65.70 deg. Period: 103.10 min.
ASAT interceptor. Conducted an extended test flight to shake out homing system and engine function. Tested new redundant ranging systems. Tested effectiveness of new approach trajectory to target, whereby target was approached from above rather than below. Following completion of tests and verification of system functions via telemetry, spacecraft was commanded to a destructive reentry over the Pacific Ocean.

1971 December 3 - . 13:19 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 462 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: PKO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1975-04-04 . USAF Sat Cat: 5646 . COSPAR: 1971-106A. Apogee: 1,800 km (1,100 mi). Perigee: 229 km (142 mi). Inclination: 65.00 deg. Period: 105.40 min.
ASAT interceptor. Successfully intercepted and destroyed Cosmos 459 target. This completed state trials test series and in 1972 the Istrebitel Sputnik was adopted as armament for the Soviet Army. Cosmos 462 produced the lowest number of fragments (27) of any of the ASAT's tested.

1971 December 25 - . 11:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 469 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1972-02-09 . USAF Sat Cat: 5737 . COSPAR: 1971-117B. Apogee: 1,006 km (625 mi). Perigee: 948 km (589 mi). Inclination: 64.50 deg. Period: 104.60 min. Ocean surveillance; nuclear powered. First RORSAT flight confirmed by Russian source to have had BES-5 nuclear reactor..

1972 August 21 - . 10:36 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 516 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1972-10-20 . USAF Sat Cat: 6199 . COSPAR: 1972-066C. Apogee: 1,038 km (644 mi). Perigee: 906 km (562 mi). Inclination: 64.80 deg. Period: 104.50 min. Ocean surveillance; nuclear powered..

1973 April 25 - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2. FAILURE: Payload propulsion system failed; no orbit.. Failed Stage: P.

RORSAT failure - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: RVSN. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1973-04-25 . COSPAR: F730425A. Ocean surveillance; nuclear powered. Last launch of original US-A design by Savin's KB. American 'sniffer' aircraft flew over the Pacific after this failure looking for radioisotopes traces in order to characterise the reactor..

1973 December 27 - . 20:19 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 626 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1974-03-22 . USAF Sat Cat: 7115 . COSPAR: 1973-108D. Apogee: 982 km (610 mi). Perigee: 907 km (563 mi). Inclination: 65.40 deg. Period: 103.90 min. Ocean surveillance; nuclear powered. First test of modernised design by KB Arsenal..

1974 May 15 - . 07:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 651 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1974-09-05 . USAF Sat Cat: 7388 . COSPAR: 1974-029C. Apogee: 946 km (587 mi). Perigee: 890 km (550 mi). Inclination: 65.00 deg. Period: 103.40 min. Ocean surveillance; nuclear powered..

1974 May 17 - . 06:53 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 654 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1974-09-07 . USAF Sat Cat: 7397 . COSPAR: 1974-032D. Apogee: 1,006 km (625 mi). Perigee: 924 km (574 mi). Inclination: 64.90 deg. Period: 104.40 min. Ocean surveillance; nuclear powered..

1974 December 24 - . 11:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 699 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1977-10-16 . USAF Sat Cat: 7587 . COSPAR: 1974-103A. Apogee: 440 km (270 mi). Perigee: 428 km (265 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring; exploded 4/17/75..

1975 April 2 - . 11:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 723 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1975-07-15 . USAF Sat Cat: 7797 . COSPAR: 1975-024D. Apogee: 961 km (597 mi). Perigee: 899 km (558 mi). Inclination: 64.70 deg. Period: 103.60 min. Ocean surveillance; nuclear powered..

1975 April 7 - . 11:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 724 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1975-08-07 . USAF Sat Cat: 7922 . COSPAR: 1975-025B. Apogee: 943 km (585 mi). Perigee: 852 km (529 mi). Inclination: 65.60 deg. Period: 102.90 min. Ocean surveillance; nuclear powered..

1975 October 1 - . LV Family: R-36. Launch Vehicle: Tsiklon-2.

US-A and Tsiklon-2 accepted into military service. - . Nation: Russia. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Central Committee of the Communist Party and Council of Soviet Ministers Decree 'On adoption of US-A with Tsiklon-2 into armaments' was issued..

1975 October 29 - . 11:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 777 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1976-06-03 . USAF Sat Cat: 8416 . COSPAR: 1975-102A. Apogee: 442 km (274 mi). Perigee: 425 km (264 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring; exploded 1/76..

1975 December 12 - . 12:45 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 785 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1976-02-05 . USAF Sat Cat: 8480 . COSPAR: 1975-116C. Apogee: 1,004 km (623 mi). Perigee: 907 km (563 mi). Inclination: 65.10 deg. Period: 104.20 min. Ocean surveillance; nuclear powered; failed immediately after reaching orbit..

1976 February 16 - . 08:29 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 804 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: PKO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1976-02-16 . USAF Sat Cat: 8694 . COSPAR: 1976-015A. Apogee: 702 km (436 mi). Perigee: 160 km (90 mi). Inclination: 65.10 deg. Period: 93.10 min. ASAT interceptor. After intercept with target deorbited using on-board engine..

1976 April 13 - . 17:16 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 814 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: PKO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1976-04-13 . USAF Sat Cat: 8806 . COSPAR: 1976-034A. Apogee: 480 km (290 mi). Perigee: 118 km (73 mi). Inclination: 65.10 deg. Period: 90.50 min. ASAT interceptor. After intercept with target deorbited using on-board engine..

1976 July 2 - . 10:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 838 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1977-08-23 . USAF Sat Cat: 8932 . COSPAR: 1976-063A. Apogee: 440 km (270 mi). Perigee: 428 km (265 mi). Inclination: 65.10 deg. Period: 93.30 min. Ocean surveillance. Exploded June/July '76..

1976 July 21 - . 15:14 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 843 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: MO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1976-07-21 . USAF Sat Cat: 9043 . COSPAR: 1976-071A. Apogee: 346 km (214 mi). Perigee: 132 km (82 mi). Inclination: 65.10 deg. Period: 89.30 min. ASAT interceptor. Intercepted Cosmos 839. Deorbited after test..

1976 October 17 - . 18:06 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 860 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1976-12-29 . USAF Sat Cat: 9531 . COSPAR: 1976-103B. Apogee: 995 km (618 mi). Perigee: 923 km (573 mi). Inclination: 64.70 deg. Period: 104.30 min. Ocean surveillance; nuclear powered..

1976 October 21 - . 16:53 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 861 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1977-02-04 . USAF Sat Cat: 9631 . COSPAR: 1976-104C. Apogee: 987 km (613 mi). Perigee: 928 km (576 mi). Inclination: 64.90 deg. Period: 104.20 min. Ocean surveillance; nuclear powered..

1976 November 26 - . 14:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 868 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1978-07-08 . USAF Sat Cat: 9561 . COSPAR: 1976-113A. Apogee: 444 km (275 mi). Perigee: 422 km (262 mi). Inclination: 65.00 deg. Period: 93.30 min.

1976 December 27 - . 12:05 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 886 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: MO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1976-12-27 . USAF Sat Cat: 9634 . COSPAR: 1976-126A. Apogee: 2,291 km (1,423 mi). Perigee: 593 km (368 mi). Inclination: 65.80 deg. Period: 114.70 min. ASAT interceptor. Intercepted and destroyed Cosmos 880 target..

1977 May 23 - . 12:14 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 910 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: MO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1977-05-23 . USAF Sat Cat: 10014 . COSPAR: 1977-037A. Apogee: 506 km (314 mi). Perigee: 149 km (92 mi). Inclination: 65.10 deg. Period: 91.00 min. ASAT interceptor. Failed to intercept Cosmos 909. Deorbited using on-board engine..

1977 June 17 - . 07:23 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 918 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: MO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1977-06-18 . USAF Sat Cat: 10065 . COSPAR: 1977-050A. Apogee: 197 km (122 mi). Perigee: 125 km (77 mi). Inclination: 65.10 deg. Period: 87.70 min. ASAT interceptor. Failed to intercept Cosmos 909. Deorbited using on-board engine..

1977 August 24 - . 07:07 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 937 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1978-10-19 . USAF Sat Cat: 10278 . COSPAR: 1977-077A. Apogee: 444 km (275 mi). Perigee: 424 km (263 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring..

1977 September 16 - . 14:25 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 952 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1977-11-07 . USAF Sat Cat: 10399 . COSPAR: 1977-088B. Apogee: 990 km (610 mi). Perigee: 911 km (566 mi). Inclination: 64.90 deg. Period: 104.10 min. Ocean surveillance; nuclear powered..

1977 September 18 - . 13:48 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 954 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1978-01-24 . USAF Sat Cat: 10361 . COSPAR: 1977-090A. Apogee: 265 km (164 mi). Perigee: 251 km (155 mi). Inclination: 65.00 deg. Period: 89.70 min. Ocean surveillance; nuclear powered; re-entered over Canada, spreading radioactive debris..

1977 October 26 - . 05:14 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 961 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: MO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1977-10-26 . USAF Sat Cat: 10434 . COSPAR: 1977-104A. Apogee: 1,421 km (882 mi). Perigee: 269 km (167 mi). Inclination: 66.40 deg. Period: 101.80 min. ASAT interceptor. Succeeded in intercept of Cosmos 959. Deorbited using on-board engine..

1977 December 21 - . 10:35 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 970 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: MO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1977-12-21 . USAF Sat Cat: 10531 . COSPAR: 1977-121A. Apogee: 1,138 km (707 mi). Perigee: 936 km (581 mi). Inclination: 65.90 deg. Period: 105.90 min. ASAT interceptor. Intercepted Cosmos 970 target. Ordered to self-destruct following interception..

1978 May 19 - . 00:21 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1009 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: MO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1978-05-19 . USAF Sat Cat: 10904 . COSPAR: 1978-050A. Apogee: 1,364 km (847 mi). Perigee: 966 km (600 mi). Inclination: 65.90 deg. Period: 108.60 min. ASAT interceptor. Succeeded in intercept of Cosmos 970. Deorbited using on-board engine..

1979 April 18 - . 12:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1094 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1979-09-30 . USAF Sat Cat: 11333 . COSPAR: 1979-033A. Apogee: 442 km (274 mi). Perigee: 426 km (264 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring..

1979 April 25 - . 10:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1096 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1979-11-24 . USAF Sat Cat: 11346 . COSPAR: 1979-036A. Apogee: 442 km (274 mi). Perigee: 428 km (265 mi). Inclination: 65.10 deg. Period: 93.30 min. Ocean monitoring..

1980 March 14 - . 10:40 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1167 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1981-10-01 . USAF Sat Cat: 11729 . COSPAR: 1980-021A. Apogee: 442 km (274 mi). Perigee: 426 km (264 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring..

1980 April 18 - . 00:51 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1174 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: MO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1980-04-20 . USAF Sat Cat: 11765 . COSPAR: 1980-030A. Apogee: 1,419 km (881 mi). Perigee: 372 km (231 mi). Inclination: 66.10 deg. Period: 102.90 min.
ASAT interceptor. First test of ASAT after extended storage. Missed Cosmos 1171 target by a large distance; over the two following days two more attempts were made with the backup engine, but all failed. On 20 April the satellite was ordered to self-destruct in orbit, ending the longest ASAT interceptor mission.

1980 April 29 - . 11:40 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1176 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1980-10-04 . USAF Sat Cat: 11968 . COSPAR: 1980-034B. Apogee: 962 km (597 mi). Perigee: 873 km (542 mi). Inclination: 64.80 deg. Period: 103.40 min. Ocean surveillance; nuclear powered; test flight of modified safer design..

1980 November 4 - . 15:04 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1220 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1982-06-20 . USAF Sat Cat: 12054 . COSPAR: 1980-089A. Apogee: 759 km (471 mi). Perigee: 526 km (326 mi). Inclination: 65.00 deg. Period: 97.60 min. Ocean monitoring..

1981 February 2 - . 02:19 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1243 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: MO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1981-02-02 . USAF Sat Cat: 12160 . COSPAR: 1981-010A. Apogee: 1,013 km (629 mi). Perigee: 294 km (182 mi). Inclination: 65.80 deg. Period: 97.80 min. ASAT interceptor. Approached within 50 m of target, but explosive charge did not go off as planned. Deorbited to destructive reentry in the atmosphere..

1981 March 5 - . 18:09 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1249 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1981-07-19 . USAF Sat Cat: 12552 . COSPAR: 1981-021D. Apogee: 976 km (606 mi). Perigee: 904 km (561 mi). Inclination: 65.00 deg. Period: 103.90 min. Ocean surveillance; nuclear powered..

1981 March 14 - . 16:55 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1258 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: MO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1981-03-14 . USAF Sat Cat: 12337 . COSPAR: 1981-024A. Apogee: 1,022 km (635 mi). Perigee: 299 km (185 mi). Inclination: 65.80 deg. Period: 97.90 min. ASAT interceptor. Failed to intercept Cosmos 1241 target. Deorbited to destructive reentry in the atmosphere..

1981 March 20 - . 23:45 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1260 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1982-05-22 . USAF Sat Cat: 12364 . COSPAR: 1981-028A. Apogee: 444 km (275 mi). Perigee: 425 km (264 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring..

1981 April 21 - . 03:45 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1266 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1981-05-20 . USAF Sat Cat: 12429 . COSPAR: 1981-037B. Apogee: 941 km (584 mi). Perigee: 911 km (566 mi). Inclination: 64.80 deg. Period: 103.60 min. Ocean surveillance; nuclear powered..

1981 August 4 - . 08:28 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1286 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1982-10-16 . USAF Sat Cat: 12631 . COSPAR: 1981-072A. Apogee: 442 km (274 mi). Perigee: 430 km (260 mi). Inclination: 65.00 deg. Period: 93.20 min. Ocean monitoring..

1981 August 24 - . 16:37 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1299 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: RVSN. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1981-09-27 . USAF Sat Cat: 12809 . COSPAR: 1981-081E. Apogee: 962 km (597 mi). Perigee: 926 km (575 mi). Inclination: 65.10 deg. Period: 103.90 min. Ocean surveillance; nuclear powered..

1981 September 14 - . 20:31 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1306 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: RVSN. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1982-07-16 . USAF Sat Cat: 12828 . COSPAR: 1981-089A. Apogee: 424 km (263 mi). Perigee: 168 km (104 mi). Inclination: 65.00 deg. Period: 90.40 min. Ocean monitoring; replaced Cosmos 1260..

1982 February 11 - . 01:11 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1337 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1982-07-25 . USAF Sat Cat: 13061 . COSPAR: 1982-010A. Apogee: 444 km (275 mi). Perigee: 426 km (264 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring..

1982 April 29 - . 09:55 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1355 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1984-03-07 . USAF Sat Cat: 13150 . COSPAR: 1982-038A. Apogee: 295 km (183 mi). Perigee: 277 km (172 mi). Inclination: 65.00 deg. Period: 90.20 min. Ocean monitoring..

1982 May 14 - . 19:39 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1365 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1982-10-19 . USAF Sat Cat: 13593 . COSPAR: 1982-043C. Apogee: 979 km (608 mi). Perigee: 881 km (547 mi). Inclination: 65.10 deg. Period: 103.60 min. Ocean surveillance; nuclear powered..

1982 June 1 - . 13:58 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1372 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1982-09-09 . USAF Sat Cat: 13411 . COSPAR: 1982-052B. Apogee: 966 km (600 mi). Perigee: 919 km (571 mi). Inclination: 64.90 deg. Period: 103.90 min. Ocean surveillance; nuclear powered..

1982 June 18 - . 11:04 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1379 - . Mass: 1,400 kg (3,000 lb). Nation: Russia. Agency: PKO. Class: Military. Type: Anti-satellite system. Spacecraft Bus: Kosmoplan. Spacecraft: IS-A. Decay Date: 1982-06-18 . USAF Sat Cat: 13281 . COSPAR: 1982-060A. Apogee: 546 km (339 mi). Perigee: 144 km (89 mi). Inclination: 65.10 deg. Period: 91.40 min. ASAT interceptor. Succeeded in intercept of Cosmos 1375 target. Deorbited using on-board engine. Final test of series..

1982 August 30 - . 10:06 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1402 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1983-01-23 . USAF Sat Cat: 13441 . COSPAR: 1982-084A. Apogee: 266 km (165 mi). Perigee: 250 km (150 mi). Inclination: 65.00 deg. Period: 89.60 min. Ocean surveillance; nuclear powered..

1982 September 4 - . 17:50 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1405 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1984-01-31 . USAF Sat Cat: 13508 . COSPAR: 1982-088A. Apogee: 443 km (275 mi). Perigee: 425 km (264 mi). Inclination: 65.00 deg. Period: 93.30 min. Ocean monitoring..

1982 October 2 - . 00:01 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1412 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1982-12-04 . USAF Sat Cat: 13645 . COSPAR: 1982-099B. Apogee: 998 km (620 mi). Perigee: 886 km (550 mi). Inclination: 64.80 deg. Period: 103.90 min. Ocean surveillance; nuclear powered..

1983 May 7 - . 10:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1461 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1985-05-31 . USAF Sat Cat: 14064 . COSPAR: 1983-044A. Apogee: 803 km (498 mi). Perigee: 574 km (356 mi). Inclination: 65.00 deg. Period: 98.50 min. Ocean monitoring..

1983 October 29 - . 08:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1507 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1987-08-19 . USAF Sat Cat: 14455 . COSPAR: 1983-110A. Apogee: 325 km (201 mi). Perigee: 298 km (185 mi). Inclination: 65.00 deg. Period: 90.80 min. Ocean monitoring..

1984 May 30 - . 18:46 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1567 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1988-04-03 . USAF Sat Cat: 15009 . COSPAR: 1984-053A. Apogee: 369 km (229 mi). Perigee: 353 km (219 mi). Inclination: 65.00 deg. Period: 91.80 min. Ocean monitoring..

1984 June 29 - . 00:21 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1579 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1984-11-05 . USAF Sat Cat: 15328 . COSPAR: 1984-069C. Apogee: 970 km (600 mi). Perigee: 914 km (567 mi). Inclination: 65.10 deg. Period: 103.90 min. Ocean surveillance; nuclear powered..

1984 August 7 - . 22:50 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1588 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1986-02-28 . USAF Sat Cat: 15167 . COSPAR: 1984-083A. Apogee: 347 km (215 mi). Perigee: 331 km (205 mi). Inclination: 65.00 deg. Period: 91.30 min. Ocean monitoring..

1984 October 31 - . 12:29 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1607 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1985-03-28 . USAF Sat Cat: 15502 . COSPAR: 1984-112B. Apogee: 994 km (617 mi). Perigee: 908 km (564 mi). Inclination: 65.00 deg. Period: 104.10 min. Ocean surveillance; nuclear powered..

1985 January 23 - . 19:58 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1625 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1985-01-25 . USAF Sat Cat: 15492 . COSPAR: 1985-008A. Apogee: 390 km (240 mi). Perigee: 118 km (73 mi). Inclination: 65.00 deg. Period: 89.60 min. Ocean monitoring..

1985 April 18 - . 21:40 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1646 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1987-11-30 . USAF Sat Cat: 15653 . COSPAR: 1985-030A. Apogee: 399 km (247 mi). Perigee: 378 km (234 mi). Inclination: 65.00 deg. Period: 92.30 min. Ocean monitoring..

1985 August 1 - . 05:36 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1670 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1985-12-08 . USAF Sat Cat: 16196 . COSPAR: 1985-064C. Apogee: 1,007 km (625 mi). Perigee: 893 km (554 mi). Inclination: 64.90 deg. Period: 104.10 min. Ocean surveillance; nuclear powered..

1985 August 23 - . 22:33 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1677 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1985-12-14 . USAF Sat Cat: 16192 . COSPAR: 1985-075B. Apogee: 1,001 km (621 mi). Perigee: 880 km (540 mi). Inclination: 64.70 deg. Period: 103.90 min. Ocean surveillance; nuclear powered..

1985 September 19 - . 01:32 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1682 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1986-12-31 . USAF Sat Cat: 16054 . COSPAR: 1985-082A. Apogee: 446 km (277 mi). Perigee: 341 km (211 mi). Inclination: 65.00 deg. Period: 92.40 min. Ocean surveillance..

1986 February 27 - . 01:44 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1735 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1988-11-17 . USAF Sat Cat: 16620 . COSPAR: 1986-021A. Apogee: 442 km (274 mi). Perigee: 419 km (260 mi). Inclination: 65.00 deg. Period: 93.20 min. Ocean surveillance..

1986 March 21 - . 10:05 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1736 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1986-09-01 . USAF Sat Cat: 16806 . COSPAR: 1986-024B. Apogee: 995 km (618 mi). Perigee: 936 km (581 mi). Inclination: 65.00 deg. Period: 104.40 min. Ocean surveillance; nuclear powered..

1986 March 25 - . 19:26 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1737 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1986-12-03 . USAF Sat Cat: 16648 . COSPAR: 1986-025A. Apogee: 426 km (264 mi). Perigee: 414 km (257 mi). Inclination: 73.40 deg. Period: 93.00 min. Ocean surveillance..

1986 August 4 - . 05:08 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1769 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1987-09-30 . USAF Sat Cat: 16895 . COSPAR: 1986-059A. Apogee: 383 km (237 mi). Perigee: 287 km (178 mi). Inclination: 65.00 deg. Period: 91.20 min. Ocean surveillance..

1986 August 20 - . 12:58 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1771 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1986-11-29 . USAF Sat Cat: 17036 . COSPAR: 1986-062D. Apogee: 1,000 km (600 mi). Perigee: 909 km (564 mi). Inclination: 65.00 deg. Period: 104.20 min. Ocean surveillance; nuclear powered..

1987 February 1 - . 23:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1818 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: Plazma-A. USAF Sat Cat: 17369 . COSPAR: 1987-011A. Apogee: 803 km (498 mi). Perigee: 774 km (480 mi). Inclination: 65.00 deg. Period: 100.60 min. Test of new Topaz reactor, new systems, and ion engines aboard US-AM bus..

1987 April 8 - . 03:51 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1834 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1988-10-14 . USAF Sat Cat: 17847 . COSPAR: 1987-031A. Apogee: 415 km (257 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1987 June 18 - . 21:33 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1860 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1987-09-16 . USAF Sat Cat: 18240 . COSPAR: 1987-052C. Apogee: 992 km (616 mi). Perigee: 900 km (550 mi). Inclination: 65.00 deg. Period: 104.00 min. Ocean surveillance; nuclear powered..

1987 July 10 - . 15:35 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1867 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: Plazma-A. USAF Sat Cat: 18187 . COSPAR: 1987-060A. Apogee: 803 km (498 mi). Perigee: 776 km (482 mi). Inclination: 65.00 deg. Period: 100.70 min. Test of new Topaz reactor, new systems, and ion engines aboard US-AM bus - Tested Plasma-2 SPT electric engine..

1987 October 10 - . 21:48 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1890 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1988-12-26 . USAF Sat Cat: 18396 . COSPAR: 1987-086A. Apogee: 415 km (257 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1987 December 12 - . 05:40 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1900 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. USAF Sat Cat: 18665 . COSPAR: 1987-101A. Apogee: 735 km (456 mi). Perigee: 696 km (432 mi). Inclination: 66.10 deg. Period: 99.10 min. Ocean surveillance; nuclear powered..

Cosmos 1900 - . Mass: 4,300 kg (9,400 lb). Nation: Russia. Agency: UNKS. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. COSPAR: 1987-101xx. Ocean surveillance; nuclear powered..

1988 March 14 - . 14:21 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1932 - . Mass: 3,800 kg (8,300 lb). Nation: Russia. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Naval Radarsat. Spacecraft Bus: Kosmoplan. Spacecraft: US-A. Decay Date: 1988-06-29 . USAF Sat Cat: 19160 . COSPAR: 1988-019B. Apogee: 1,008 km (626 mi). Perigee: 920 km (570 mi). Inclination: 65.10 deg. Period: 104.40 min. Ocean surveillance; nuclear powered - last launch of the US-AM. Programme cancelled by Gorbachev..

1988 May 28 - . 02:49 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1949 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1990-04-23 . USAF Sat Cat: 19193 . COSPAR: 1988-045A. Apogee: 415 km (257 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1988 November 18 - . 00:12 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 1979 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1989-12-25 . USAF Sat Cat: 19647 . COSPAR: 1988-101A. Apogee: 415 km (257 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1989 July 24 - . 00:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2033 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1991-01-06 . USAF Sat Cat: 20147 . COSPAR: 1989-058A. Apogee: 322 km (200 mi). Perigee: 196 km (121 mi). Inclination: 65.00 deg. Period: 89.70 min. Ocean surveillance..

1989 September 27 - . 16:20 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2046 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1991-04-16 . USAF Sat Cat: 20259 . COSPAR: 1989-079A. Apogee: 415 km (257 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1989 November 24 - . 23:22 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2051 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1990-01-21 . USAF Sat Cat: 20334 . COSPAR: 1989-092A. Apogee: 310 km (190 mi). Perigee: 293 km (182 mi). Inclination: 64.90 deg. Period: 90.60 min. Ocean surveillance..

1990 March 14 - . 15:27 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2060 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1991-09-01 . USAF Sat Cat: 20525 . COSPAR: 1990-022A. Apogee: 418 km (259 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.80 min. Ocean surveillance..

1990 August 23 - . 16:17 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2096 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1992-08-30 . USAF Sat Cat: 20765 . COSPAR: 1990-075A. Apogee: 415 km (257 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1990 November 14 - . 06:33 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2103 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1991-04-03 . USAF Sat Cat: 20933 . COSPAR: 1990-096A. Apogee: 415 km (257 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1990 December 4 - . 00:48 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2107 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1991-01-31 . USAF Sat Cat: 20985 . COSPAR: 1990-108A. Apogee: 416 km (258 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.80 min. Ocean surveillance..

1991 January 18 - . 11:34 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2122 - . Mass: 3,000 kg (6,600 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-P. Decay Date: 1993-03-28 . USAF Sat Cat: 21065 . COSPAR: 1991-005A. Apogee: 415 km (257 mi). Perigee: 401 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. Ocean surveillance..

1993 March 30 - . 12:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2238 - . Payload: US-PU s/n 1. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Duration: 567.00 days. Decay Date: 1994-12-10 . USAF Sat Cat: 22585 . COSPAR: 1993-018A. Apogee: 416 km (258 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.70 min. First launch of new EORSAT, first of at 120 degree intervals on the same orbit with a 0 degree ascending node. Ocean surveillance..

1993 April 28 - . 03:39 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2244 - . Payload: US-PU s/n 2. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Duration: 657.00 days. Decay Date: 1995-03-18 . USAF Sat Cat: 22643 . COSPAR: 1993-029A. Apogee: 416 km (258 mi). Perigee: 402 km (249 mi). Inclination: 65.00 deg. Period: 92.80 min. Second launch of new EORSAT, second of three stationed at 120 degree intervals on the same orbit with a 0 degree ascending node..

1993 July 7 - . 07:15 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2258 - . Payload: US-PY s/n 3. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Duration: 603.00 days. Decay Date: 1995-06-08 . USAF Sat Cat: 22709 . COSPAR: 1993-044A. Apogee: 417 km (259 mi). Perigee: 400 km (240 mi). Inclination: 65.00 deg. Period: 92.80 min. Third launch of new EORSAT, final of three stationed at 120 degree intervals on the same orbit with a 0 degree ascending node. Ocean surveillance..

1993 September 17 - . 00:43 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2264 - . Payload: US-PM s/n 4. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Duration: 564.00 days. Decay Date: 1995-08-07 . USAF Sat Cat: 22808 . COSPAR: 1993-060A. Apogee: 417 km (259 mi). Perigee: 401 km (249 mi). Inclination: 65.00 deg. Period: 92.80 min. EORSAT, first of three to be stationed at 120 degree intervals on the same orbit with a 215 degree ascending node. However cutbacks in program resulted in the constellation not being completed. Ocean surveillance..

1994 November 2 - . 01:04 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2293 - . Payload: US-PM s/n 5. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Duration: 497.00 days. Decay Date: 1996-05-13 . USAF Sat Cat: 23336 . COSPAR: 1994-072A. Apogee: 418 km (259 mi). Perigee: 402 km (249 mi). Inclination: 65.03 deg. Period: 92.78 min. Second launch of new EORSAT, second of three to be stationed at 120 degree intervals on the same orbit with a 215 degree ascending node. However cutbacks in program resulted in the constellation not being completed. Ocean surveillance..

1995 June 8 - . 04:43 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2313 - . Payload: US-PM s/n 6. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Duration: 685.00 days. Decay Date: 1997-07-11 . USAF Sat Cat: 23596 . COSPAR: 1995-028A. Apogee: 419 km (260 mi). Perigee: 410 km (250 mi). Inclination: 65.00 deg. Period: 87.60 min. EORSAT, first of three to be stationed at 120 degree intervals on the same orbit with a 143 degree ascending node. However cutbacks in program resulted in the constellation not being completed. Ocean surveillance..

1995 December 20 - . 00:52 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2326 - . Payload: US-PM s/n 7. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Duration: 660.00 days. Decay Date: 1997-11-08 . USAF Sat Cat: 23748 . COSPAR: 1995-071A. Apogee: 415 km (257 mi). Perigee: 406 km (252 mi). Inclination: 65.00 deg. Period: 87.20 min. EORSAT, placed in 215 degree ascending node orbital slot. Ocean surveillance; also performed astrophysics research..

1996 December 11 - . 12:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2335 - . Payload: US-PM s/n 8. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Decay Date: 1999-01-01 . USAF Sat Cat: 24670 . COSPAR: 1996-069A. Apogee: 418 km (259 mi). Perigee: 403 km (250 mi). Inclination: 65.00 deg. Period: 92.80 min. EORSAT, second of three to be stationed at 120 degree intervals on the same orbit with a 143 degree ascending node. However cutbacks in program resulted in the constellation not being completed. Still in operation as of December 1997..

1997 December 9 - . 07:17 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2347 - . Payload: US-PM s/n 9. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: MO. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Decay Date: 1999-12-11 . USAF Sat Cat: 25088 . COSPAR: 1997-079A. Apogee: 417 km (259 mi). Perigee: 403 km (250 mi). Inclination: 65.00 deg. Period: 92.80 min. EORSAT, in the 217 degree ascending node slot. Still in operation as of December 1997..

1999 December 26 - . 08:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2367 - . Payload: US-PM s/n 10. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: VMF. Manufacturer: Arsenal. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Decay Date: 2002-07-19 . USAF Sat Cat: 26040 . COSPAR: 1999-072A. Apogee: 418 km (259 mi). Perigee: 404 km (251 mi). Inclination: 65.00 deg.
Passive naval electronic intelligence satellite. The satellite was placed in an initial 147 km x 442 km orbit at 65 degree inclination. The US-PM's propulsion module fired at apogee to circularize the orbit. Replaced the only previous remaining US-PM satellite which ended operations in November and reentered earlier in December 1999.

2001 December 21 - . 04:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2383 - . Payload: US-PM s/n 11. Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: VMF. Manufacturer: Arsenal. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Decay Date: 2004-03-20 . USAF Sat Cat: 27053 . COSPAR: 2001-057A. Apogee: 415 km (257 mi). Perigee: 404 km (251 mi). Inclination: 65.00 deg.
Signal Intelligence Satellite. Launch delayed December 19. The booster put the satellite into an initial orbit of 145 x 405 km x 65.0 deg. At apogee the satellite ignited its own propulsion system to increase velocity by about 70-80 m/s and circularize the orbit.

2004 May 28 - . 06:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2405 - . Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: VMF. Manufacturer: Arsenal. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Decay Date: 2006-06-16 . USAF Sat Cat: 28350 . COSPAR: 2004-020A. Apogee: 417 km (259 mi). Perigee: 405 km (251 mi). Inclination: 65.00 deg. Period: 92.80 min. Original reported name Cosmos 2407..

2006 June 24 - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/20. LV Family: R-36. Launch Vehicle: Tsiklon-2.

Cosmos 2421 - . Mass: 3,150 kg (6,940 lb). Nation: Russia. Agency: VMF. Manufacturer: Arsenal. Program: EORSAT. Class: Surveillance. Type: Naval SIGINT. Spacecraft Bus: Kosmoplan. Spacecraft: US-PU. Decay Date: 2006-06-24 . USAF Sat Cat: 29246 . COSPAR: 2006-026A. Apogee: 414 km (257 mi). Perigee: 384 km (238 mi). Inclination: 65.00 deg. Period: 92.50 min.

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