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Class: Communications. Destination: Geosynchronous Orbit. Nation: France. Agency: DBP Telekom. 3-axis stabilized using bipropellant thrusters (1220 kg propellant - unified with apogee insertion and maneuvering propulsion) and momentum wheels. Solar arrays generate 3.0 kW at end of life. Typical orbit: 35831 km x 35872 km at 1 degrees inclination. Length: 7.10 m (23.20 ft). Maximum Diameter: 1.64 m (5.38 ft). Span: 19.30 m (63.30 ft). Mass: 1,318 kg (2,905 lb). Payload: 250 kg (550 lb). Main Engine Thrust: 392 N (88 lbf). Main Engine Propellants: N2O4/MMH. Associated Launch Vehicle: Ariane 2/3, Ariane 44L, Ariane 44LP.
Spacebus 300 Chronology - 1987 November 21 - TVSAT 1 - Program: TVSAT. Launch Site: Kourou. Launch Vehicle: Ariane 2/3. Mass: 2,077 kg (4,579 lb). Perigee: 36,066 km (22,410 mi). Apogee: 36,151 km (22,463 mi). Inclination: 4.30 deg. Period: 1,452.60 min.
West German communications; solar panel failed to deploy making spacecraft unusable. Because of a malfunction of the solar generator, the satellite is being used only for technical tests. Geostationary position 19 W. Launch by Ariane-2 flight no. 20. Due to a malfunction of the solar generator, TV-SAT 1 was taken out of commission and sen t to a so-called parking orbit beyond the geostationary orbit. Semi-major axis 42485.605 km. Eccentricity 0.00116. Inc 0.716, Arg of perigee 216.66, RA 76.77, Mean anomaly 47.1 Mean drift -4.071 deg/day, E long 350.617, latitude -0.713. Positioned in geosynchronous orbit at 18 deg W in 1988 As of 5 September 2001 located at 76.53 deg W drifting at 4.886 deg W per day. As of 2007 Mar 11 located at 169.62W drifting at 4.874W degrees per day.
- 1988 October 28 - TDF-1 - Program: TDF. Launch Site: Kourou. Launch Vehicle: Ariane 2/3. Mass: 2,136 kg (4,709 lb). Perigee: 36,051 km (22,401 mi). Apogee: 36,129 km (22,449 mi). Inclination: 4.80 deg. Period: 1,451.60 min.
French DBS; 19 deg W. Direct broadcasting satellite. French registration: TDF-1, 1988-5-B. Positioned in geosynchronous orbit at 19 deg W in 1988-1996 As of 1 September 2001 located at 139.53 deg W drifting at 3.885 deg W per day. As of 2007 Mar 5 located at 16.35W drifting at 3.870W degrees per day.
- 1989 April 2 - TELE-X - Program: TELE. Launch Site: Kourou. Launch Vehicle: Ariane 2/3. Mass: 2,142 kg (4,722 lb). Perigee: 36,061 km (22,407 mi). Apogee: 36,128 km (22,448 mi). Inclination: 4.30 deg. Period: 1,451.80 min.
TV, business communications for Nordic countries; 5 deg E. High power telecommunications satellite with a dual mission; direct TV broadcasting and data communications. Four active transponders with two redundant; power output 200 W per transponder. Coverage area - East Nordic coverage zone as defined by ITU (WARC -77). Mission period estimated to be 6 to 8 years. Position 5 deg E. Positioned in geosynchronous orbit at 5 deg E in 1989-1998 As of 28 August 2001 located at 138.62 deg W drifting at 3.929 deg W per day. As of 2007 Mar 10 located at 132.37W drifting at 3.933W degrees per day.
- 1989 August 8 - TVSAT 2 - Program: TVSAT. Launch Site: Kourou. Launch Vehicle: Ariane 44LP. Mass: 2,130 kg (4,690 lb). Perigee: 35,863 km (22,284 mi). Apogee: 35,951 km (22,338 mi). Inclination: 3.30 deg. Period: 1,442.20 min.
TV services to West Germany; 19 deg W. Direct broadcasting satellite. Position 19 deg W. Ariane 4, flight no 33. Positioned in geosynchronous orbit at 19 deg W in 1989-1995; 1 deg W in 1995-1998; 12 deg W in 1998-1999 As of 31 August 2001 located at 29.41 deg W drifting at 1.503 deg W per day. As of 2007 Mar 9 located at 150.44E drifting at 1.494W degrees per day.
Bibliography and Further Reading
- McDowell, Jonathan, Jonathan's Space Home Page, Harvard University, 1997-present. Jonathan McDowell's complete on-line listing of all objects orbited and over 20,000 rocket launches Accessed at: http://www.planet4589.org/jsr.html.
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