S-15

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

Gamma ray data.

Typical orbit: 480 km x 1458 km at 29 degrees inclination. Mass: 37 kg (81 lb).

S-15 Chronology

1961 April 27 - Explorer 11 - Program: Explorer. Launch Site: Cape Canaveral. Launch Complex: LC26B. Launch Vehicle: Jupiter. Mass: 37 kg (81 lb). Perigee: 480 km (290 mi). Apogee: 1,458 km (905 mi). Inclination: 28.80 deg. Period: 104.50 min.
Gamma ray data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).

Bibliography:

McDowell, Jonathan, Jonathan's Space Home Page (launch records), Harvard University, 1997-present. Web Address when accessed: http://www.planet4589.org/jsr.html.
JPL Mission and Spacecraft Library, Jet Propulsion Laboratory, 1997. Web Address when accessed: http://msl.jpl.nasa.gov/home.html.
McDowell, Jonathan, Launch Log, October 1998. Web Address when accessed: http://hea-www.harvard.edu/~jcm/space/log/launch.html.

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