Program: SBS. Objective: Communications. Overview: Satellite Business Systems communications network. Major Events:
1980 November 15 - SBS 1. Spacecraft: HS 376. Mass: 550 kg (1,210 lb). Launch Site: Cape Canaveral. Launch Vehicle: Delta 3000.
Satellite Business Systems. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 100 deg W in 1981-1984; 99 deg W in 1984-1990 As of 4 September 2001 located at 115.72 deg E drifting at 1.627 deg W per day. As of 2007 Mar 10 located at 96.16E drifting at 1.647W degrees per day.
1981 September 24 - SBS 2. Spacecraft: HS 376. Mass: 550 kg (1,210 lb). Launch Site: Cape Canaveral. Launch Vehicle: Delta 3000.
Positioned in geosynchronous orbit at 97 deg W in 1981-1983; 104 deg W in 1983; 97 deg W in 1983-1988; 99 deg W in 1988-1990; 97 deg W in 1990-1994; 71 deg W in 1994-1996 As of 31 August 2001 located at 125.63 deg E drifting at 0.458 deg W per day. As of 2007 Mar 9 located at 125.97W drifting at 0.561W degrees per day. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).
1982 November 11 - SBS 3. Spacecraft: HS 376. Mass: 1,117 kg (2,462 lb). Launch Site: Cape Canaveral. Launch Vehicle: Shuttle.
Deployed from STS-5 11 November 1982. Positioned in geosynchronous orbit at 94 deg W in 1982-1983; 95 deg W in 1983-1993; 74 deg W in 1994-1995 As of 4 September 2001 located at 41.59 deg E drifting at 1.235 deg W per day. As of 2007 Mar 11 located at 117.46E drifting at 1.221W degrees per day. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).
1984 August 30 - SBS 4. Spacecraft: HS 376. Mass: 1,117 kg (2,462 lb). Launch Site: Cape Canaveral. Launch Vehicle: Shuttle.
Released from STS 41D 8/31/84; 101 deg W. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 101 deg W in 1984-1985; 91 deg W in 1985-1993; 77 deg W in 1993-on. As of 1 September 2001 located at 77.06 deg W drifting at 0.019 deg W per day. As of 2007 Mar 9 located at 113.88W drifting at 5.445W degrees per day.
1988 September 8 - SBS 5. Spacecraft: HS 376. Mass: 1,241 kg (2,735 lb). Launch Site: Kourou. Launch Vehicle: Ariane 2/3.
Stationed at 122 deg W. Positioned in geosynchronous orbit at 123 deg W in 1988-2000 As of 5 September 2001 located at 22.98 deg E drifting at 1.728 deg W per day. As of 2007 Mar 9 located at 147.52E drifting at 1.709W degrees per day.
1990 October 12 - SBS 6. Spacecraft: HS 376. Mass: 2,478 kg (5,463 lb). Launch Site: Kourou. Launch Vehicle: Ariane 44L.
Stationed at 99 deg W. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). Positioned in geosynchronous orbit at 97 deg W in 1990; 99 deg W in 1991-1994; 95 deg W in 1994-1995; 74 deg W in 1995-1999 As of 1 September 2001 located at 74.05 deg W drifting at 0.010 deg W per day. As of 2007 Mar 11 located at 74.06W drifting at 0.011W degrees per day.