Skynet 5C

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Skynet 5C
Mission type Military communications
Operator Paradigm Secure Communications
EADS Astrium
On behalf of British Ministry of Defence
Mission duration 15 years
Spacecraft properties
Manufacturer EADS Astrium
Launch mass 4,700 kilograms (10,400 lb)
Start of mission
Launch date 12 June 2008 (2008-06-12)
Rocket Ariane 5ECA
Launch site Kourou ELA-3
Contractor Arianespace
Orbital parameters
Reference system Geocentric
Regime Geosynchronous

Skynet 5C is the third of four Skynet 5 military communications satellite, to be used by the British Ministry of Defence (MOD).


It was launched from French Guiana aboard an Ariane 5ECA carrier rocket at 22:05:02 GMT on 12 June 2008. The launch was originally scheduled for 23 May, but was delayed to 30 May, and then delayed again due to software problems with the carrier rocket. Originally built as a ground spare satellite, the decision to launch was made in 2007. Arianespace provided launch services.


It was constructed by EADS Astrium under a contract to its subsidiary company Paradigm Secure Communications, who will operate the satellite on behalf of the MoD. Based on the Eurostar E3000 satellite bus, it has a mass of 4,700 kilograms, and an expected on-orbit lifetime of 15 years.[1]

Skynet 5C is located at 17.8 degrees West.