This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com
Class: Earth. Type: Magnetosphere. Nation: USA. Agency: NASA. Magnetic field, solar flare data.
SpecificationTotal Mass: 41 kg.
S-1 Chronology
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.
Bibliography:- 126 - Bramscher, Robert G, Spaceflight, "A Survey of Launch Vehicle Failures", 1980, Volume 22, page 351.
Back to Index
Last update 12 March 2001.
Contact Mark Wade with any corrections or comments.
Conditions for use of drawings, pictures, or other materials from this site..
© Mark Wade, 2001 .