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astronautix.com Chalet


Class: ELINT. Nation: USA. Agency: U.S. Air Force.

Geosynchronous orbit signals intelligence satellite series that replaced Canyon. Also called Program 366 and Vortex.


Specification

Total Mass: 932 kg.


Chalet Chronology


10 June 1978 Chalet 1 Launch Site: Cape Canaveral . Launch Vehicle: Titan 3C. Mass: 820 kg. Perigee: 29,929 km. Apogee: 42,039 km. Inclination: 12.0 deg.

First launch of the heavier, mored advanced CHALET ELINT satellites. (the project was renamed VORTEX when the code name CHALET appeared in the New York Times).


01 October 1979 Chalet 2 Launch Site: Cape Canaveral . Launch Vehicle: Titan 3C. Mass: 820 kg. Perigee: 30,443 km. Apogee: 41,497 km. Inclination: 7.5 deg.

Chalet ELINT satellite.


31 October 1981 Chalet 3 Launch Site: Cape Canaveral . Launch Vehicle: Titan 3C. Mass: 820 kg. Perigee: 134 km. Apogee: 382 km. Inclination: 29.3 deg.

Chalet ELINT satellite.


31 January 1984 Chalet 4 Launch Site: Cape Canaveral . Launch Vehicle: Titan 34D. Mass: 1,043 kg. Perigee: 146 km. Apogee: 1,023 km. Inclination: 29.4 deg.

Chalet ELINT satellite.


02 September 1988 USA 31 Launch Site: Cape Canaveral . Launch Vehicle: Titan 34D. FAILURE: Broken Transtage pressurization feed lines prevented the geosynchronous orbit apogee burn from taking place. Mass: 1,045 kg. Perigee: 151 km. Apogee: 14,103 km. Inclination: 29.3 deg.

Chalet ELINT satellite; upper stage failure left in lower than planned orbit.


10 May 1989 USA 37 Launch Site: Cape Canaveral . Launch Vehicle: Titan 34D. Mass: 1,045 kg. Perigee: 455 km. Apogee: 40,073 km. Inclination: 27.5 deg.

Chalet ELINT satellite.



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