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astronautix.com S-55


Class: Earth. Type: Micrometeoroid. Nation: USA. Agency: NASA.

Micrometeoroid research.


Specification


S-55 Chronology


30 June 1961 Explorer (13) S 55 Program: Explorer. Launch Site: Wallops Island . Launch Vehicle: Scout X-1. FAILURE: Third stage did not ignite, and the vehicle was destroyed. Mass: 84 kg.

Micrometeorite counter satellite (S-55).


25 August 1961 Explorer 13 Program: Explorer. Launch Site: Wallops Island . Launch Vehicle: Scout X-1. Mass: 86 kg. Perigee: 125 km. Apogee: 1,164 km. Inclination: 37.7 deg.

Useless orbit; micrometeoroid research. Partial Failure.


16 December 1962 Explorer 16 Program: Explorer. Launch Site: Wallops Island . Launch Vehicle: Scout X-3. Mass: 100 kg. Perigee: 744 km. Apogee: 1,159 km. Inclination: 52.0 deg.

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


06 November 1964 Explorer 23 Program: Explorer. Launch Site: Wallops Island . Launch Vehicle: Scout X-4. Mass: 134 kg. Perigee: 463 km. Apogee: 980 km. Inclination: 51.9 deg.

Micrometeoroid 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 .