| TDF 1 | |
| Names List: | TDF-1 |
| Mission Type: | Communications |
| Operator: | Télévision de France / France Télécom |
| Cospar Id: | 1988-098A |
| Satcat: | 19621 |
| Mission Duration: | 8 years (planned) 8 years (achieved) |
| Spacecraft: | TDF 1 |
| Spacecraft Type: | Spacebus |
| Spacecraft Bus: | Spacebus 300 |
| Manufacturer: | Eurosatellite (Aérospatiale) and Messerschmitt-Bölkow-Blohm (MBB) |
| Dimensions: | 2.4 x 1.64 x 7.1 m Span: 19.3 m on orbit |
| Power: | 4.3 kW |
| Launch Date: | 28 October 1988, 02:17:00 UTC |
| Launch Rocket: | Ariane 2 (V26) |
| Launch Site: | Centre Spatial Guyanais, Kourou, ELA-1 |
| Launch Contractor: | Arianespace |
| Entered Service: | December 1988 |
| Disposal Type: | Graveyard orbit |
| Deactivated: | October 1996 |
| Orbit Reference: | Geocentric orbit |
| Orbit Regime: | Geostationary orbit |
| Orbit Longitude: | 19.2° West (1988-1996) |
| Apsis: | gee |
| Trans Band: | 5 Ku-Band |
| Trans Bandwidth: | 27 MHz |
| Trans Coverage: | Europe, France |
| Programme: | TDF constellation |
| Next Mission: | TDF 2 |
TDF 1 or TDF-1 was a French communications satellite which was to have been operated by Télévision de France (France Télécom). It was intended to be used to provide television broadcast services to Europe, however it failed before entering service. It was constructed by Aérospatiale, based on the Spacebus 300 satellite bus, and carried five Ku-band transponders. At launch it had a mass of, and an expected operational lifespan of eight years.[1]
TDF 1 was launched by Arianespace using an Ariane 2 launch vehicle flying from ELA-1 at Centre Spatial Guyanais, Kourou, French Guiana. The launch took place at 02:17:00 UTC on 28 October 1988.[2] It was a Spacebus 300 satellite bus.[1]
TDF 1 was placed into a geostationary orbit at a longitude of 19.2° West.[3] [4]