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Explorer 31

retired

Science ExplorationLEOCOSPAR 1965-098BLaunched 11/29/1965

Mission & Launch

Launch Mission: ISIS-X
Launch Vehicle: Thor SLV-2 Agena B
Launch Date: 11/29/1965
Last Contact: 6/9/1969

Orbit & Mass

Orbit Class: LEO
Altitude: 1,744 km
Inclination: 79.82 deg
Dry Mass: 98 kg
Total Mass: 98 kg

Payload Classification

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

Organizations

Operator: NASA Goddard Space Flight Center
Manufacturer: Johns Hopkins Applied Physics Lab

Registry

COSPAR ID: 1965-098B
UN Registration: A/AC.105/INF.123