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Class: Earth. Type: Magnetosphere. Nation: USA. Agency: NASA.
Magnetic field, solar flare data.
Total Mass: 41 kg.
16 July 1959
Explorer Program: Explorer. Launch Site: Cape Canaveral . Launch Vehicle: Juno II. FAILURE: Control lost after 5.5 sec. Destroyed by range safety. Mass: 41 kg.
13 October 1959
Explorer 7 Program: Explorer. Launch Site: Cape Canaveral . Launch Vehicle: Juno II. Mass: 42 kg. Perigee: 523 km. Apogee: 857 km. Inclination: 50.3 deg.
Spacecraft engaged in research and exploration of the upper atmosphere or outer space. Returned magnetic field and solar flare data.
- 126 - Bramscher, Robert G, Spaceflight, "A Survey of Launch Vehicle Failures", 1980, Volume 22, page 351.
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Last update 12 March 2001.
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© Mark Wade, 2001 .