Gravity Recovery and Interior Laboratory
Space mission
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The Gravity Recovery and Interior Laboratory was an American lunar science mission in NASA's Discovery Program which used high-quality gravitational field mapping of the Moon to determine its interior structure. Wikipedia
Location: Cape Canaveral Space Force Station
Start date: September 10, 2011
Aposelene altitude: 86 kilometres (53 mi)
Dry mass: 132.6 kg (292 lb)
Launch mass: 202.4 kg (each)
Mission duration: 1 year, 3 months, 7 days, 9 hours
Power: (Solar array / Li-ion battery)