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Explorer 20

retired

Science ExplorationLEOCOSPAR 1964-051ALaunched 8/25/1964

Mission & Launch

Launch Mission: Explorer 20 Mission
Launch Vehicle: Scout X-4
Launch Date: 8/25/1964
Last Contact: 7/22/1966

Orbit & Mass

Orbit Class: LEO
Altitude: 943.5 km
Inclination: 79.9 deg
Dry Mass: 44 kg
Total Mass: 44 kg

Payload Classification

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

Organizations

Operator: NASA Goddard Space Flight Center
Manufacturer: Cutler-Hammer Airborne Instruments Laboratory

Registry

COSPAR ID: 1964-051A
UN Registration: A/AC.105/INF.081