This page no longer updated from 31 October 2001. Latest version can be found at GRS

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

Geophysical Research Satellite; space gas data.


Total Mass: 99 kg.

GRS Chronology

28 June 1963 GRS Launch Site: Wallops Island . Launch Vehicle: Scout X-4. Mass: 99 kg. Perigee: 413 km. Apogee: 1,306 km. Inclination: 49.7 deg.

Geophysical Research Satellite; space gas data. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A).


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