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IMP 2

retired

Science ExplorationHEOCOSPAR 1964-060ALaunched 10/4/1964

Mission & Launch

Launch Mission: Explorer 21
Launch Vehicle: Thor Delta C
Launch Date: 10/4/1964
Last Contact: 10/13/1965

Orbit & Mass

Orbit Class: HEO
Altitude: 47,596 km
Inclination: 33.82 deg
Dry Mass: 62 kg
Total Mass: 62 kg

Payload Classification

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

Organizations

Operator: NASA Goddard Space Flight Center
Manufacturer: NASA Goddard Space Flight Center

Registry

COSPAR ID: 1964-060A
UN Registration: A/AC.105/INF.085