 | This article needs additional citations for verification. (March 2016) |
 Telstar 303 satellite in orbit | |
| Mission type | Communications satellite |
|---|---|
| Operator | AT&T → Loral Skynet |
| COSPAR ID | 1985-048D |
| SATCAT no. | 15826 |
| Mission duration | 10 years (planned) |
| Spacecraft properties | |
| Bus | LS-1300 |
| Manufacturer | Hughes Communications |
| Launch mass | 1,140 kg (2,510 lb) |
| BOL mass | 653 kg (1,440 lb) |
| Start of mission | |
| Launch date | 17 June 1985, 11:33:00 UTC |
| Rocket | Space Shuttle Discovery |
| Launch site | John F. Kennedy Space Center, LC-39A |
| Contractor | Rockwell International |
| End of mission | |
| Disposal | Graveyard orbit |
| Deactivated | 1999 |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Geostationary orbit |
| Longitude | 125° West |
| Transponders | |
| Band | C-band |
| Coverage area | North America, Hawaii, Puerto Rico |
Telstar 303[1] is a U.S. communications satellite launched from Space Shuttle Discovery during STS-51-G on 17 June 1985. Owned by AT&T and operated by Loral Skynet Hughes Communications, it was one of three Telstar 3 satellites, preceded by Telstar 301 in 1983 and Telstar 302 in 1984.
- ^ Krebs, Gunter. "dipl.phys". Telstar3. Retrieved 25 March 2016.