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Vanguard III

retired

Science ExplorationMEOCOSPAR 1959 ETALaunched 9/18/1959

Mission & Launch

Launch Mission: Vanguard III Mission
Launch Vehicle: Vanguard X-248
Launch Date: 9/18/1959
Last Contact: 12/12/1959

Orbit & Mass

Orbit Class: MEO
Altitude: 2,139.5 km
Inclination: 33.35 deg
Dry Mass: 23 kg
Total Mass: 47 kg

Payload Classification

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

Organizations

Operator: NASA Goddard Space Flight Center
Manufacturer: U.S. Naval Research Lab

Registry

COSPAR ID: 1959 ETA
UN Registration: A/AC.105/INF.001