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Compton Observatory

retired

Science ExplorationLEOCOSPAR 1991-027BLaunched 4/5/1991

Mission & Launch

Launch Mission: GRO
Launch Vehicle: Space Shuttle
Launch Date: 4/5/1991
Last Contact: 6/4/2000

Orbit & Mass

Orbit Class: LEO
Altitude: 448 km
Inclination: 28.47 deg
Dry Mass: 13,891 kg
Total Mass: 15,622 kg

Payload Classification

Mission Type: Science Exploration
Payload Category: AST
Payload Class: C

Organizations

Operator: NASA Goddard Space Flight Center
Manufacturer: Northrop Grumman

Registry

COSPAR ID: 1991-027B
UN Registration: ST/SG/SER.E/258