GOES 15
…Upon reaching geostationary orbit on 16 March, it was redesignated GOES-15. On 6 December 2011, it was activated as the GOES-West satellite, replacing GOES-11. At launch, the mass of the satellite was 3,238 kilograms (7,139 lb). It has a design life of ten years. Power is supplied by a single gallium arsenide…