AS 4000 satellite Credit - Lockheed-Martin

3-axis stabilization with momentum wheels, magnetic torquers, Earth sensors and 16 blowdown monopropellant hydrazine thrusters. Solar arrays provide 2800 W, 3 x 50 Ah NiH batteries. GEO insertion by Star 37XFP solid rocket motor. 16 Ku-band transponders (with six spares) .

Design Life: 12 years. Typical orbit: Geosynchronous. Length: 2.10 m (6.80 ft). Maximum Diameter: 1.70 m (5.50 ft). Mass: 1,021 kg (2,250 lb). Associated Launch Vehicle: Ariane 44L, Ariane 44LP, Atlas IIA, Proton 8K82K / 11S861, Shuttle.

• 1985 November 27 - Satcom K2 - Program: Satcom. Launch Site: Cape Canaveral. Launch Vehicle: Shuttle. Mass: 1,812 kg (3,994 lb). Perigee: 35,944 km (22,334 mi). Apogee: 36,002 km (22,370 mi). Inclination: 4.20 deg. Period: 1,445.60 min.

  Released by STS 61B 11/28/85; 81 deg W. Positioned in geosynchronous orbit at 81 deg W in 1985-1996; 85 deg W in 1996-1997; 81 deg W in 1997-1999 As of 6 September 2001 located at 80.95 deg W drifting at 0.009 deg W per day. As of 2007 Mar 9 located at 157.11W drifting at 2.398W degrees per day.

• 1986 January 12 - Satcom K1 - Program: Satcom. Launch Site: Cape Canaveral. Launch Vehicle: Shuttle. Mass: 1,923 kg (4,239 lb). Perigee: 35,965 km (22,347 mi). Apogee: 36,016 km (22,379 mi). Inclination: 4.50 deg. Period: 1,446.50 min.

  Stationed at 81 deg W. Positioned in geosynchronous orbit at 85 deg W in 1986-1997; 87 deg W in 1997 As of 31 August 2001 located at 61.19 deg W drifting at 2.593 deg W per day. As of 2007 Mar 10 located at 125.55E drifting at 2.586W degrees per day.

• 1988 December 11 - Astra 1A - Program: Astra. Launch Site: Kourou. Launch Vehicle: Ariane 44LP. Mass: 1,780 kg (3,920 lb). Perigee: 35,770 km (22,220 mi). Apogee: 35,803 km (22,246 mi). Inclination: 0.80 deg. Period: 1,436.10 min.

  European TV broadcast; 19.2 deg W. Astra 1A provides TV coverage to Western Europe. The satellite is owned and operated by Société Europíenne des Satellites (SES), a private company formed in 1985. Astra 1A is based in the GE 4000 series platform, and was the first in a network of four satellites. Spacecraft: GE 4000 platform.3-axis stabilisation with momentum wheels, magnetic torquers, Earth sensors and 16 blowdown monopropellant hydrazine thrusters. Solar arrays provide 2800 W BOL, 3 50 Ahr NiH batteries. GEO insertion by Star 37XFP solid rocket motor. Payload: 16 Ku-band transponders (with six spares) . Positioned in geosynchronous orbit at 19 deg E in 1989-1999 As of 5 September 2001 located at 19.38 deg E drifting at 0.002 deg W per day. As of 2007 Mar 10 located at 13.01E drifting at 6.968W degrees per day.

• 1996 April 3 - Inmarsat 3 F1 - Program: Inmarsat. Launch Site: Cape Canaveral. Launch Vehicle: Atlas IIA. Mass: 2,068 kg (4,559 lb). Perigee: 35,767 km (22,224 mi). Apogee: 35,806 km (22,248 mi). Inclination: 0.00 deg. Period: 1,436.10 min.

  Geostationary at 64.1E. Launch vehicle put payload into geosynchronous transfer orbit with RAAN Cntl trajectory option. Positioned in geosynchronous orbit at 64 deg E in 1996-1999 As of 5 September 2001 located at 63.98 deg E drifting at 0.003 deg E per day. As of 2007 Mar 10 located at 64.52E drifting at 0.006W degrees per day.

• 1996 December 18 - Inmarsat 3 F3 - Program: Inmarsat. Launch Site: Cape Canaveral. Launch Vehicle: Atlas IIA. Mass: 1,021 kg (2,250 lb). Perigee: 35,764 km (22,222 mi). Apogee: 35,807 km (22,249 mi). Inclination: 0.00 deg. Period: 1,436.00 min.

  Geostationary at 157.6E. Launch vehicle put payload into geosynchronous transfer orbit with RAAN Cntl trajectory option. Positioned in geosynchronous orbit at 178 deg E in 1997-1999 As of 5 September 2001 located at 178.02 deg E drifting at 0.006 deg W per day. As of 2007 Mar 10 located at 178.19E drifting at 0.002E degrees per day.

• 1996 September 6 - Inmarsat 3 F2 - Program: Inmarsat. Launch Site: Baikonur. Launch Vehicle: Proton 8K82K / 11S861. Mass: 1,021 kg (2,250 lb). Perigee: 35,766 km (22,223 mi). Apogee: 35,807 km (22,249 mi). Inclination: 2.50 deg. Period: 1,436.10 min.

  Geostationary at 15.5W. Positioned in geosynchronous orbit at 15 deg W in 1996-1999 As of 4 September 2001 located at 15.48 deg W drifting at 0.005 deg W per day. As of 2007 Mar 7 located at 15.47W drifting at 0.007W degrees per day.

• 1997 June 3 - Inmarsat 3 F4 - Program: Inmarsat. Launch Site: Kourou. Launch Vehicle: Ariane 44L. Mass: 1,021 kg (2,250 lb). Perigee: 35,770 km (22,220 mi). Apogee: 35,805 km (22,248 mi). Inclination: 0.00 deg. Period: 1,436.10 min.

  Geosynchronous. Stationed over 54.0W Positioned in geosynchronous orbit at 54 deg W in 1997-1999 As of 5 September 2001 located at 53.97 deg W drifting at 0.004 deg W per day. As of 2007 Mar 10 located at 142.07W drifting at 0.000E degrees per day.

• 1998 February 4 - Inmarsat 3 F5 - Program: Inmarsat. Launch Site: Kourou. Launch Vehicle: Ariane 44LP. Mass: 1,021 kg (2,250 lb). Perigee: 35,775 km (22,229 mi). Apogee: 35,797 km (22,243 mi). Inclination: 0.50 deg. Period: 1,436.10 min.

  Geostationary at 25.0 degrees E. Positioned in geosynchronous orbit at 25 deg E in 1998-1999 As of 24 July 2001 located at 25.09 deg E drifting at 0.020 deg E per day. As of 2007 Mar 10 located at 25.07E drifting at 0.017W degrees per day.

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