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| SES-3 is a communications satellite operated by SES Americom (later SES World Skies. Now, SES).
| Names | AMC ground spare OS-2 |
|---|---|
| Mission type | Communications |
| Operator | SES Americom / SES |
| COSPAR ID | 2011-035A |
| SATCAT no. | 37748 |
| Website | https://www.ses.com/ |
| Mission duration | 15 years (planned) 13 years, 3 months, 11 days (elapsed) |
| Spacecraft properties | |
| Spacecraft | AMC ground spare |
| Spacecraft type | GEOStar-2 |
| Bus | Star-2.4 |
| Manufacturer | Orbital Sciences Corporation |
| Launch mass | 3,112 kg (6,861 lb) |
| Power | 5 kW |
| Start of mission | |
| Launch date | 15 July 2011, 23:16:10 UTC[1] |
| Rocket | Proton-M / Briz-M |
| Launch site | Baikonur, Site 200/39 |
| Contractor | Khrunichev State Research and Production Space Center |
| Entered service | September 2011 |
| Orbital parameters | |
| Reference system | Geocentric orbit[2] |
| Regime | Geostationary orbit |
| Longitude | 103° West |
| Transponders | |
| Band | 48 transponders: 24 C-band 24 Ku-band |
| Bandwidth | 36 MHz |
| Coverage area | North America |
SES-3 was built by Orbital Sciences Corporation (OSC), and is based on the Star-2.4 satellite bus. It is equipped with 24 C-band, and 24 Ku-band transponders, and at launch it had a mass of 3,112 kg (6,861 lb). It has a design life of fifteen years, however it was launched with enough fuel to operate for at least sixteen years, if its systems are still functional.[3]
It was launched on 15 July 2011 at 23:16:10 UTC on a Proton-M / Briz-M launch vehicle, the launch was arranged by International Launch Services (ILS), since Baikonour, Site 200/39 alongside the KazSat-2 satellite.
It is positioned at 103.0° West orbital location over North America, replacing AMC-1. Clients include E. W. Scripps Company, In Demand, Pay-per-view, Ion Television, Mood Media, NBC and QVC.[4]
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