|Operator||Sirius XM Radio|
|Mission duration||15 years|
|Manufacturer||Space Systems Loral|
|Launch mass||5,820 kilograms (12,830 lb)|
|Start of mission|
|Launch date||30 June 2009, 19:10:00UTC|
|Launch site||Baikonur 200/39|
|Perigee||35,784 kilometers (22,235 mi)|
|Apogee||35,801 kilometers (22,246 mi)|
|Epoch||January 21, 2014, 08:13:09 UTC|
|Coverage area||North America|
Sirius FM-5, also known as Radiosat 5, is an American communications satellite which will be operated by Sirius XM Radio. It was constructed by Space Systems Loral, based on the LS-1300 bus, and carries a single transponder designed to transmit in the NATO E F and I bands (IEEE S and X bands). It will be used to provide satellite radio broadcasting to North America.
Sirius FM-5 was launched by a Proton-M/Briz-M rocket flying from Site 200/39 at the Baikonur Cosmodrome. The launch was conducted by International Launch Services, and occurred at 19:10 GMT on 30 June 2009. Around nine hours after launch, the satellite separated from the carrier rocket into a geosynchronous transfer orbit. It will raise itself into geostationary orbit by means of its onboard R-4D apogee motor. It also carries four SPT-100 engines for manoeuvring.
It is the first Sirius Radio satellite to be placed in geostationary orbit; the three previous Sirius satellites operate in tundra orbits.
- "SIRIUS FM-5 Satellite details 2009-034A NORAD 35493". N2YO. January 21, 2014. Retrieved January 21, 2014.
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