Inmarsat-4 F1

Spacecraft n°:

INMARSAT spacecraft n°: 10

Launch data: Designation  28628 / 05009A Launch date  11 Mar 2005 - 21:42 UT Launch site  CC, SLC-41 Launch vehicle  Atlas-V 431 (AV-004) Mission  Commercial: Communications Geostationary orbit on 23 Mar - 00:57 UT: Perigee / Apogee  35582 x 35989 km Inclination  2.99° Period  1436.06 min

Version 1st flight of the rocket.

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Spacecraft data: Prime contractor  Astrium Operator  INMARSAT Ltd / London Platform  Eurostar-3000GM Mass at launch  5959 kg Dry Mass   kg Basic shape  Box+2 panels +dish antenna Dimension  9.14 x 11.89 Solar array  2 vanes of solar panels span: 45 m Stabilization   DC power  13000 W Design lifetime  15 years - Still active

Location: Begin Position Remarks  Mar 2005  ~8° E    ~6 Feb 2009  63° E  manoeuvred off-station , drifting to E  26 Feb 2009  143° E  relocated  Jan 2012  63.96° E

Mission details:

Maritime communications satellite. Nearly the size of a double-decker bus; more than 600 channels.

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Ref.: #3(SD393), #7, #14, #206, #225(09.01, 09.02), #226 - update: 11.02.12