| Names | AMC-1R AMC-4R OS-1 |
|---|---|
| Mission type | Communications |
| Operator | SES Americom / SES |
| COSPAR ID | 2010-016A |
| SATCAT no. | 36516 |
| Website | https://www.ses.com/ |
| Mission duration | 15 years (planned) 14 years, 6 months, 25 days (elapsed) |
| Spacecraft properties | |
| Spacecraft | OS-1 |
| Spacecraft type | GEOStar-2 |
| Bus | Star-2.4 |
| Manufacturer | Orbital Sciences Corporation |
| Launch mass | 2,561 kg (5,646 lb) |
| Power | 5 kW |
| Start of mission | |
| Launch date | 24 April 2010, 11:19:00 UTC |
| Rocket | Proton-M / Briz-M |
| Launch site | Baikonur, Site 200/39 |
| Contractor | Khrunichev State Research and Production Space Center |
| Entered service | June 2010 |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Geostationary orbit |
| Longitude | 101° West |
| Transponders | |
| Band | 48 transponders: 24 C-band 24 Ku-band |
| Bandwidth | 36 MHz |
| Coverage area | Canada, United States, Mexico, Caribbean, Central America |
SES-1 is a geostationary communications satellite which is operated by SES World Skies, then by SES