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Thor 5 (Thor 2R)

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 (2008-02-11UTC11:34Z) 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

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. It is based on the STAR-2 satellite bus, and was constructed by Orbital Sciences Corporation. It carries 24 K_u 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.

References

1. "ILS Proton successfully launches THOR 5 satellite". ILS. Archived from the original on 2008-02-26.
2. Gunter's Space Page - Thor 5

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