This page no longer updated from 31 October 2001. Latest version can be found at KH-12

Code Name: Ikon. Class: Surveillance. Type: Military. Nation: USA. Agency: U.S. Air Force.

Electro-optical reconnaisance satellite, succeeded KH-11. Heavier, and believed to include signals intelligence payloads, and have wider spectral band sensivity, perhaps 'real time' television capability, and other improvements compared to the KH-11. Meant to be shuttle-launched, after the USAF abandoned its shuttle plans it was lightened and modified for Titan 4 launch. Data transmitted via SDS military relay satellites.


Total Mass: 19,600 kg.

KH-12 Chronology

28 February 1990 USA 53 Launch Site: Cape Canaveral . Launch Vehicle: Shuttle. Mass: 19,600 kg. Perigee: 198 km. Apogee: 207 km. Inclination: 62.0 deg.

Deployed from STS-36 2/28/90. Spent boosters, spent maneuvering stages, shrouds and other non-functional objects (US Cat D).

28 November 1992 USA 86 Launch Site: Vandenberg . Launch Vehicle: Titan 4. Mass: 19,600 kg. Perigee: 256 km. Apogee: 911 km. Inclination: 97.7 deg.

Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

20 December 1996 USA 129 Launch Site: Vandenberg . Launch Vehicle: Titan 4. Mass: 19,600 kg. Perigee: 153 km. Apogee: 949 km. Inclination: 97.9 deg.


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 .