TDF-1 Credit: Manufacturer Image |
Status: Operational 1987. First Launch: 1987-11-21. Last Launch: 1990-07-24. Number: 5 . Payload: 250 kg (550 lb). Thrust: 392 N (88 lbf). Gross mass: 1,318 kg (2,905 lb). Height: 7.10 m (23.20 ft). Span: 19.30 m (63.30 ft).
Solar arrays generate 3.0 kW at end of life.
TV-Sat 1, 2 Communication satellite built by Aerospatiale for Deutsche Bundestpost => Deutsche Telekom, Germany. Launched 1987 - 1989. Used the Spacebus-300 bus. |
TDF 1, 2 Communication satellite built by Aerospatiale for TTlTdiffusion de France, France. Launched 1988 - 1990. Used the Spacebus-300 bus. |
Tele-X Satellite series providing television and business communications for Nordic countries for NSAB. Communication satellite built by Aerospatiale, MBB, Sweden. Launched 1989. Used the Spacebus-300 bus. |
TELE-X Credit: Manufacturer Image |
TVSAT 1 Credit: Manufacturer Image |
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.
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.
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.
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.
French DBS; 19 deg W. Direct broadcasting satellite. Registration 1990-2-B. Positioned in geosynchronous orbit at 19 deg W in 1990-1997; 36 deg E in 1997-1999 As of 5 September 2001 located at 62.59 deg E drifting at 6.006 deg W per day. As of 2007 Mar 9 located at 98.15W drifting at 5.991W degrees per day.