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astronautix.com Spacebus 300


Class: Communications. Nation: Germany. 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.


Specification

Total Length: 7.1 m. Maximum Diameter: 1.6 m. Total Mass: 1,318 kg. Total Payload: 250 kg. Primary Engine Thrust: 40 kgf. Main Engine Propellants: N2O4/MMH.


Spacebus 300 Chronology


21 November 1987 TVSAT 1 Program: TVSAT. Launch Site: Kourou . Launch Vehicle: Ariane 2/3. Mass: 2,077 kg. Perigee: 36,066 km. Apogee: 36,151 km. Inclination: 4.3 deg.

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.


28 October 1988 TDF-1 Program: TDF. Launch Site: Kourou . Launch Vehicle: Ariane 2/3. Mass: 2,136 kg. Perigee: 35,784 km. Apogee: 35,792 km. Inclination: 0.1 deg.

French DBS; 19 deg W. Direct broadcasting satellite. French registration: TDF-1, 1988-5-B.


02 April 1989 TELE-X Program: TELE. Launch Site: Kourou . Launch Vehicle: Ariane 2/3. Mass: 2,142 kg. Perigee: 35,765 km. Apogee: 35,807 km. Inclination: 0.0 deg.

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.


08 August 1989 TVSAT 2 Program: TVSAT. Launch Site: Kourou . Launch Vehicle: Ariane 44LP. Mass: 2,130 kg. Perigee: 35,767 km. Apogee: 35,807 km. Inclination: 0.0 deg.

TV services to West Germany; 19 deg W. Direct broadcasting satellite. Position 19 deg W. Ariane 4, flight no 33.


24 July 1990 TDF 2 Program: TDF. Launch Site: Kourou . Launch Vehicle: Ariane 44L. Mass: 2,096 kg. Perigee: 35,772 km. Apogee: 35,803 km. Inclination: 0.1 deg.

French DBS; 19 deg W. Direct broadcasting satellite. Registration 1990-2-B.



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Last update 12 March 2001.
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© Mark Wade, 2001 .