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astronautix.com Injun


Class: Earth. Type: Magnetosphere. Nation: USA. Agency: U.S. Air Force, U.S. Navy.

Radiation decay data satellite. May also have been a cover for some NRL ELINT satellites.


Specification


Injun Chronology


29 June 1961 Injun 1 Launch Site: Cape Canaveral . Launch Vehicle: Thor Able-Star. Mass: 25 kg. Perigee: 869 km. Apogee: 992 km. Inclination: 66.8 deg.

Dual launch; failed to separate from Solrad 3; still returned radiation data. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A).


24 January 1962 Injun 2 Launch Site: Cape Canaveral . Launch Vehicle: Thor Able-Star. FAILURE: Failure.
13 December 1962 Injun 3 Launch Site: Vandenberg . Launch Vehicle: Thor Agena D. Mass: 52 kg. Perigee: 240 km. Apogee: 2,406 km. Inclination: 70.3 deg.

Radiation decay data. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A).


21 November 1964 Explorer 25 Program: Explorer. Launch Site: Vandenberg . Launch Vehicle: Scout X-4. Mass: 40 kg. Perigee: 524 km. Apogee: 2,349 km. Inclination: 81.4 deg.

Radiation data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).


08 August 1968 Explorer 40 Program: Explorer. Launch Site: Vandenberg . Launch Vehicle: Scout B. Mass: 70 kg. Perigee: 677 km. Apogee: 2,494 km. Inclination: 80.7 deg.

Injun Explorer; radiation data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).



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Last update 12 March 2001.
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© Mark Wade, 2001 .