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Intelsat V F-1 (or Intelsat 501) was a geostationary communications satellite built by Ford Aerospace, it was owned by COMSAT. Launched in 1981, it was the second of fifteen Intelsat V satellites to be launched. The satellite was based on the Intelsat V platform and its estimated useful life was seven years.
| Mission type | Communications |
|---|---|
| Operator | COMSAT / INTELSAT |
| COSPAR ID | 1981-050A |
| SATCAT no. | 12474 |
| Mission duration | 7 years (planned) |
| Spacecraft properties | |
| Bus | Intelsat V |
| Manufacturer | Ford Aerospace |
| Launch mass | 1928 kg |
| Dry mass | 1012 kg |
| Dimensions | 1.66 x 2.1 x 1.77 metres |
| Power | 1800 watts |
| Start of mission | |
| Launch date | 23 May 1981, 22:42:00 UTC [1] |
| Rocket | Atlas SLV-3D Centaur (AC-56) |
| Launch site | CCAFS, LC-36B |
| Contractor | General Dynamics |
| End of mission | |
| Disposal | Graveyard orbit |
| Deactivated | February 1997 |
| Orbital parameters | |
| Reference system | Geocentric orbit[2] |
| Regime | Geostationary orbit |
| Longitude | 177.0° West (1981-1992) 91.5° East (1992-1996) 72.0° East (1996-1997) |
| Epoch | 23 May 1981 |
| Transponders | |
| Band | 21 C-band 4 Ku-band |
Intelsat V | |
Satellite
The satellite was box-shaped, measuring 1.66 by 2.1 by 1.77 metres; solar arrays spanned 15.9 metres tip to tip. The arrays, supplemented by nickel-hydrogen batteries during eclipse, provided 1800 watts of power. The payload housed 21 C-band and 4 Ku-band transponders. It could accommodate 15,000 two-way voice circuits and two TV channels simultaneously. It had a launch mass of 1928 kg.[3] The satellite was deactivated in February 1997.
Launch
The satellite was successfully launched into space on 23 May 1981, at 22:42:00 UTC, by means of an Atlas SLV-3D Centaur vehicle from the CCAFS, LC-36B.[4]
See also
- 1981 in spaceflight
References
- McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 22 April 2017.
- "Display: Intelsat V F-1 1981-050A". NASA. 14 May 2020. Retrieved 29 June 2020.
This article incorporates text from this source, which is in the public domain. - "Display: Intelsat 5A F-15 1989-086A". NASA. 14 May 2020. Retrieved 29 June 2020. This article incorporates text from this source, which is in the public domain.
- "INTELSAT 515". TSE. Retrieved 23 April 2017.
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