Sirius FM-1
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Sirius FM-1, also known as Radiosat 1, was an American communications satellite which was operated by Sirius XM Radio, previously Sirius Satellite Radio. It was constructed by Space Systems Loral and was based on the LS-1300 satellite bus. Launch occurred on 30 June 2000, at 22:08 GMT. The launch was contracted by International Launch Services, and used a Proton-K/DM3 carrier rocket flying from Site 81/24 at the Baikonur Cosmodrome.
| Mission type | Communication |
|---|---|
| Operator | Sirius Sirius XM Radio |
| COSPAR ID | 2000-035A |
| SATCAT no. | 26390 |
| Mission duration | Planned: 15 years; Achieved: 15-16 years |
| Spacecraft properties | |
| Bus | LS-1300 |
| Manufacturer | Loral |
| Launch mass | 3,800 kilograms (8,400 lb) |
| Start of mission | |
| Launch date | 30 June 2000 |
| Rocket | Proton-K/DM3 |
| Launch site | Baikonur 81/24 |
| Contractor | ILS |
| End of mission | |
| Disposal | Disposal orbit |
| Deactivated | 2016 |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Tundra |
It was operating in a tundra orbit, from where it provided satellite radio communications services to North America. It had an expected operational lifetime of 15 years.
In 2016, the satellite was decommissioned and placed into a disposal orbit.[1]
Animation of Sirius's orbit
See also
References
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