SSTL-300

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SSTL-300

DMC 3
Credit: Manufacturer Image

Surrey minisatellite bus, 300 kg class.

Status: Operational 2011. First Launch: 2011-08-17. Last Launch: 2015-07-10. Number: 4 .

More at: SSTL-300.

Subtopics

NigeriaSat 2 Earth Observation satellite built by SSTL, Nigeria. Launched 2011. Used the SSTL-300 bus.

DMC 3 Earth Observation satellite built by SSTL for DMCii, UK. Launched 2015. Used the SSTL-300-S1 bus.

Twinkle Astronomy, visible satellite built by SSTL (bus); UCL (payload), UK. Used the SSTL-300 bus.

Family: Surveillance. Country: UK. Launch Vehicles: PSLV, Dnepr, PSLV-XL. Launch Sites: Sriharikota SLP, Taiyuan LC2. Bibliography: 6938.

Photo Gallery

Nigeriasat 2
Credit: Manufacturer Image

2011 August 17 - . 07:12 GMT - . Launch Site: Taiyuan. Launch Complex: Taiyuan LC2. LV Family: R-36M. Launch Vehicle: Dnepr.

Nigeriasat 2 - . Mass: 268 kg (590 lb). Nation: Nigeria. Agency: NSRDA. Manufacturer: Surrey. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: SSTL-300. USAF Sat Cat: 37789 . COSPAR: 2011-044B. Apogee: 718 km (446 mi). Perigee: 693 km (430 mi). Inclination: 98.20 deg. Period: 98.90 min. Observation satellite with a 2.5-m resolution imager for Nigeria's National Space Research Development Agency..

2015 July 10 - . 16:28 GMT - . Launch Site: Sriharikota. Launch Complex: Sriharikota SLP. Launch Pad: Sriharikota FLP. LV Family: PSLV. Launch Vehicle: PSLV-XL.

DMC3-1 - . Payload: SSTL-300-S1. Mass: 440 kg (970 lb). Nation: UK. Class: Surveillance. Type: Surveillance satellite. Spacecraft: SSTL-300. USAF Sat Cat: 40715 . COSPAR: 2015-032A. Apogee: 660 km (410 mi). Perigee: 638 km (396 mi). Inclination: 98.04 deg. Period: 97.71 min.
Third generation Disaster Monitoring Constellation. The three satellites were deployed on a single launch. DMC Imaging International was a Surrey Satellite spinoff which operated the DMC imaging satellites in collaboration with several developing countries. The satellites have the capability to return prompt imaging of areas in those countries affected by natural disasters. The SSTL-300S1 platform provided 45 degree fast slew off-pointing and was capable of acquiring multiple targets in one pass using multiple viewing modes. The high resolution imager on board the satellites was designed and manufactured by SSTL and provided 1 meter resolution in panchromatic mode, and 4 meter resolution in multispectral mode, with a swath width of 23.4km. The three satellites were phased 120 degrees apart around the same sun synchronous orbit with a 22:10 local time longitude of descending node sun synchronous orbit. This was acommplished using their on board propulsion systems in the three months after the launch. With off-pointing capability, the DMC3/TripleSat Satellite Constellation was able to target anywhere on Earth once per day.

DMC3-2 - . Payload: SSTL-300-S1. Mass: 440 kg (970 lb). Nation: UK. Class: Surveillance. Type: Surveillance satellite. Spacecraft: SSTL-300. USAF Sat Cat: 40716 . COSPAR: 2015-032B. Apogee: 659 km (409 mi). Perigee: 640 km (390 mi). Inclination: 98.03 deg. Period: 97.71 min. 22:10 local time longitude of descending node sun synchronous orbit..

DMC3-3 - . Payload: SSTL-300-S1. Mass: 440 kg (970 lb). Nation: UK. Class: Surveillance. Type: Surveillance satellite. Spacecraft: SSTL-300. USAF Sat Cat: 40717 . COSPAR: 2015-032C. Apogee: 662 km (411 mi). Perigee: 637 km (395 mi). Inclination: 98.10 deg. Period: 97.71 min. 22:10 local time longitude of descending node sun synchronous orbit..

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