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Atlas I

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Atlas Centaur 69
Credit: Lockheed Martin

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Status: Retired 1997. First Launch: 1990-07-25. Last Launch: 1997-04-25. Number: 11 . Payload: 3,630 kg (8,000 lb). Thrust: 1,939.30 kN (435,972 lbf). Gross mass: 164,300 kg (362,200 lb). Height: 43.90 m (144.00 ft). Diameter: 3.05 m (10.00 ft). Apogee: 185 km (114 mi).

The first flight of an Atlas I was on July 25, 1990. Originally, 18 Atlas I vehicles were planned for manufacture. With the award by the USAF to General Dynamics of the MLV-II vehicle development contract for the Atlas II launch vehicle, the Atlas program rescoped Atlas I production commitments to 11 vehicles and converted the remaining commitments to the Atlas II/IIA/IIAS production effort.

LEO Payload: 3,630 kg (8,000 lb) to a 185 km orbit. Payload: 2,255 kg (4,971 lb) to a GTO. Development Cost $: 400.000 million. Launch Price $: 70.300 million in 1987 dollars in 1994 dollars.

Stage Data - Atlas I

• Stage 0. 1 x Atlas MA-5. Gross Mass: 3,646 kg (8,038 lb). Empty Mass: 3,646 kg (8,038 lb). Thrust (vac): 1,896.010 kN (426,240 lbf). Isp: 294 sec. Burn time: 174 sec. Isp(sl): 259 sec. Diameter: 4.90 m (16.00 ft). Span: 4.90 m (16.00 ft).Propellants: Lox/Kerosene. No Engines: 2. Engine: LR-89-7. Status: In Production.

• Stage 1. 1 x Atlas G/H/I. Gross Mass: 142,536 kg (314,238 lb). Empty Mass: 4,236 kg (9,338 lb). Thrust (vac): 386.300 kN (86,844 lbf). Isp: 316 sec. Burn time: 266 sec. Isp(sl): 220 sec. Diameter: 3.05 m (10.00 ft). Span: 4.90 m (16.00 ft). Length: 22.20 m (72.80 ft). Propellants: Lox/Kerosene. No Engines: 1. Engine: LR-105-7. Status: In Production.

• Stage 2. 1 x Centaur I. Gross Mass: 15,600 kg (34,300 lb). Empty Mass: 1,700 kg (3,700 lb). Thrust (vac): 146.800 kN (33,002 lbf). Isp: 444 sec. Burn time: 402 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 9.15 m (30.01 ft). Propellants: Lox/LH2. No Engines: 2. Engine: RL-10A-3A. Status: In Production.

Photo Gallery

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Atlas H / Atlas I Atlas I. Atlas H was similar but with smaller-diameter fairing. Credit: © Mark Wade

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Atlas Centaur No.69 Credit: Lockheed Martin

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• CRRES - . Payload: CRRES (P 86-1). Mass: 1,629 kg (3,591 lb). Nation: USA. Class: Earth. Type: Magnetosphere satellite. Spacecraft: CRRES. USAF Sat Cat: 20712 . COSPAR: 1990-065A. Apogee: 34,739 km (21,585 mi). Perigee: 335 km (208 mi). Inclination: 18.00 deg. Period: 613.40 min. Combined Release and Radiation Effects Satellite. First launch of commercial Atlas-Centaur. Spacecraft engaged in research and exploration of the upper atmosphere or outer space. Elliptical orbit; MRS trajectory..

• Yuri 3H - . Payload: BS-3H. Mass: 600 kg (1,320 lb). Nation: Japan. Agency: TSCJ. Manufacturer: Lockheed. Program: BS. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Decay Date: 1991-04-18 . Apogee: 175 km (108 mi).

• Galaxy 5 - . Mass: 1,412 kg (3,112 lb). Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. USAF Sat Cat: 21906 . COSPAR: 1992-013A. Apogee: 35,790 km (22,230 mi). Perigee: 35,782 km (22,233 mi). Inclination: 0.00 deg. Period: 1,436.10 min. Geostationary at 125 deg W. Launch vehicle put payload into geosynchronous transfer orbit with GCS trajectory option. Positioned in geosynchronous orbit at 125 deg W in 1992-2001. As of 2007 Mar 8 located at 7.46E drifting at 3.538W degrees per day..

• Galaxy 1R - . Payload: Galaxy 1R. Mass: 2,800 kg (6,100 lb). Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. Decay Date: 1992-08-22 .

• UHF F1 - . Payload: UHF F/O F1. Mass: 2,866 kg (6,318 lb). Nation: USA. Agency: HCI. Program: UHF. Class: Communications. Type: Military communications satellite. Spacecraft: HS 601. Completed Operations Date: 1993-07-01 . USAF Sat Cat: 22563 . COSPAR: 1993-015A. Apogee: 36,098 km (22,430 mi). Perigee: 36,053 km (22,402 mi). Inclination: 21.10 deg. Period: 1,450.90 min.

  US Navy communications; Ultra High Frequency Follow On; unusable orbit. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Launch vehicle was to have put payload into subsynchronous earth orbit with MRS trajectory option. As of 28 August 2001 located at 45.55 deg W drifting at 3.676 deg W per day. As of 2007 Mar 10 located at 95.89E drifting at 3.687W degrees per day.

• USA 95 - . Payload: UHF F/O F2. Mass: 2,844 kg (6,269 lb). Nation: USA. Agency: HCI. Program: UHF. Class: Communications. Type: Military communications satellite. Spacecraft: HS 601. USAF Sat Cat: 22787 . COSPAR: 1993-056A. Apogee: 35,805 km (22,248 mi). Perigee: 35,767 km (22,224 mi). Inclination: 5.00 deg. Period: 1,436.10 min.

  US Navy communications. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Launch vehicle put payload into subsynchronous earth orbit with MRS trajectory option. Positioned in geosynchronous orbit at 72 deg E in 1993-1999.

• GOES 8 - . Payload: GOES I. Mass: 2,105 kg (4,640 lb). Nation: USA. Agency: NOAA. Program: GOES. Class: Earth. Type: Weather satellite. Spacecraft Bus: FS-1300. Spacecraft: GOES-Next. USAF Sat Cat: 23051 . COSPAR: 1994-022A. Apogee: 35,807 km (22,249 mi). Perigee: 35,770 km (22,220 mi). Inclination: 0.10 deg. Period: 1,436.20 min.

  Geostationary Environmental Satellite. Stationed at 75 deg W. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). Launch vehicle put payload into supersynchronous earth orbit with MRS trajectory option. Positioned in geosynchronous orbit at 90 deg W in 1994-1995; 75 deg W in 1995-1999 As of 5 September 2001 located at 74.78 deg W drifting at 0.019 deg E per day. NASA announced that GOES-8 was "de-orbited" (presumably moved to a sub-synchronous orbit) on May 5, 2004 after 10 years of service. As of 2007 Mar 11 located at 87.46E drifting at 4.935W degrees per day.

• USA 104 - . Payload: UHF F/O F3. Mass: 2,847 kg (6,276 lb). Nation: USA. Agency: HCI. Program: UHF. Class: Communications. Type: Military communications satellite. Spacecraft: HS 601. USAF Sat Cat: 23132 . COSPAR: 1994-035A. Apogee: 35,795 km (22,241 mi). Perigee: 35,776 km (22,230 mi). Inclination: 4.81 deg. Period: 1,436.05 min. US Navy communications . Stationed at 14.38 deg W 1995-1999. Launch vehicle put payload into subsynchronous earth orbit with MRS trajectory option..

• GOES 9 - . Payload: GOES J. Mass: 2,105 kg (4,640 lb). Nation: USA. Agency: NOAA. Program: GOES. Class: Earth. Type: Weather satellite. Spacecraft Bus: FS-1300. Spacecraft: GOES-Next. USAF Sat Cat: 23581 . COSPAR: 1995-025A. Apogee: 35,911 km (22,314 mi). Perigee: 35,809 km (22,250 mi). Inclination: 0.20 deg. Period: 1,435.90 min.

  Stationed at 135 deg W. Launch vehicle put payload into supersynchronous earth orbit with MRS trajectory option. Positioned in geosynchronous orbit at 90 deg W in 1995; 135 deg W in 1996-1998; 98-105 deg W in 1998-1999 As of 5 September 2001 located at 103.62 deg W drifting at 0.009 deg W per day. As of 2007 Mar 10 located at 159.81E drifting at 0.002W degrees per day.

• Beppo SAX - . Payload: BeppoSAX. Nation: Italy. Agency: ASI. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: SAX. Decay Date: 2003-04-29 . USAF Sat Cat: 23857 . COSPAR: 1996-027A. Apogee: 601 km (373 mi). Perigee: 584 km (362 mi). Inclination: 4.00 deg. Period: 96.50 min. LEO. Satellite per Astronomia a raggi X; X-ray celestial observatory Launch vehicle put payload into low earth orbit with IFR trajectory option. 100th Atlas-Centaur flight..

• GOES 10 - . Payload: GOES K. Mass: 2,105 kg (4,640 lb). Nation: USA. Agency: NOAA. Manufacturer: Palo Alto. Program: GOES. Class: Earth. Type: Weather satellite. Spacecraft Bus: FS-1300. Spacecraft: GOES-Next. USAF Sat Cat: 24786 . COSPAR: 1997-019A. Apogee: 35,799 km (22,244 mi). Perigee: 35,780 km (22,230 mi). Inclination: 0.40 deg. Period: 1,436.30 min.

  Geosynchronous. Stationed over 105.7W Launch vehicle put payload into supersynchronous earth orbit with MRS trajectory option. Positioned in geosynchronous orbit at 105 deg W in 1997-1998; 135 deg W in 1998-1999 As of 6 September 2001 located at 135.09 deg W drifting at 0.037 deg W per day. As of 2007 Mar 11 located at 59.64W drifting at 0.009W degrees per day.