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Explorer III

retired

Science ExplorationLEOCOSPAR 1958 GAMLaunched 3/26/1958

Mission & Launch

Launch Mission: Explorer 3
Launch Vehicle: Jupiter C JunoI
Launch Date: 3/26/1958
Last Contact: 5/10/1958

Orbit & Mass

Orbit Class: LEO
Altitude: 1,502.5 km
Inclination: 33.38 deg
Dry Mass: 8 kg
Total Mass: 14 kg

Payload Classification

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

Organizations

Operator: U.S. Army
Manufacturer: NASA Jet Propulsion Laboratory

Registry

COSPAR ID: 1958 GAM