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Thor 5, also known as Thor 2R, is a Norwegian communications satellite. It was successfully launched for Telenor atop an International Launch Services Proton-M/Briz-M carrier rocket, at 11:34 GMT on 11 February 2008.[1] It is based on the STAR-2 satellite bus, and was constructed by Orbital Sciences Corporation. It carries 24 Ku band transponders, to provide direct-to-home television broadcasting. After launch, the Briz-M upper stage placed Thor 5 directly into a geosynchronous orbit, eliminating the need for orbital raising manoeuvres and making the spacecraft able to save weight by carrying less fuel. It is positioned at a longitude of 1° West.[2]
| Mission type | Communication |
|---|---|
| Operator | Telenor |
| COSPAR ID | 2008-006A |
| SATCAT no. | 32487 |
| Spacecraft properties | |
| Bus | STAR-2 |
| Manufacturer | Orbital Sciences Corporation |
| Launch mass | 1,960 kilograms (4,320 lb) |
| Power | 3,600 watts from solar panels |
| Start of mission | |
| Launch date | 11 February 2008, 11:34 UTC |
| Rocket | Proton-M/Briz-M |
| Launch site | Baikonur 200/39 |
| Contractor | ILS |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary |
| Perigee altitude | 35,780 kilometres (22,230 mi) |
| Apogee altitude | 35,780 kilometres (22,230 mi) |
| Inclination | 0 degrees |
| Period | 24 hours |
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