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Explorer 11

retired

Science ExplorationLEOCOSPAR 1961 NU 1Launched 4/27/1961

Mission & Launch

Launch Mission: Explorer 11
Launch Vehicle: Juno II
Launch Date: 4/27/1961
Last Contact: 12/6/1961

Orbit & Mass

Orbit Class: LEO
Altitude: 1,137 km
Inclination: 28.76 deg
Dry Mass: 40 kg
Total Mass: 45 kg

Payload Classification

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

Organizations

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

Registry

COSPAR ID: 1961 NU 1
UN Registration: A/AC.105/INF.001