| Mission type | Communication |
|---|---|
| Operator | Star One |
| COSPAR ID | 2012-062A |
| SATCAT no. | 38991 |
| Mission duration | 15 years (planned) |
| Spacecraft properties | |
| Bus | STAR-2 |
| Manufacturer | Orbital Sciences Corporation |
| Launch mass | 3,227 kilograms (7,114 lb) |
| Start of mission | |
| Launch date | 10 November 2012, 21:05 UTC |
| Rocket | Ariane 5ECA |
| Launch site | Kourou ELA-3 |
| Contractor | Arianespace |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary |
| Longitude | 75° and 84° west |
| Semi-major axis | 42,164.0 kilometres (26,199.5 mi) |
| Perigee | 35,787.6 kilometres (22,237.4 mi) |
| Apogee | 35,799.5 kilometres (22,244.8 mi) |
| Period | 1,436.1 minutes |
| Transponders | |
| Band |
28 IEEE C-band (NATO G/H-band) 16 IEEE Ku band (NATO J-band) |
Star One C3 is a communications satellite operated by Star One, a subsidiary of Embratel. It was built by Orbital Sciences Corporation based on the STAR-2 satellite bus, and was launched on 10 November 2012 21:05 UTC by an Ariane 5ECA carrier rocket, as part of a dual-payload launch with Eutelsat 21B.
Star One C3 will replace Brasilsat B3 in the 75° W position. The start mass was 3226.6 kg.