This page no longer updated from 31 October 2001. Latest version can be found at S-15

Class: Solar. Nation: USA. Agency: NASA.

Gamma ray data.


Total Mass: 37 kg.

S-15 Chronology

27 April 1961 Explorer 11 Program: Explorer. Launch Site: Cape Canaveral . Launch Vehicle: Juno II. Mass: 37 kg. Perigee: 480 km. Apogee: 1,458 km. Inclination: 28.8 deg.

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


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 .