NSSDCA/COSPAR ID: 1985-086A
Cosmos 1686 was a modification of the cancelled TKS manned ferry that docked with the Salyut 7 space station. All landing systems were removed from the VA re-entry capsule and replaced with military optical sensor experiments (infrared telescope and Ozon spectrometer). It burned up in the atmosphere and together with the Salyut 7 station over Argentina on February 7, 1991 04:00 GMT. It re-entered with unused 3 m diameter recoverable capsule of 2-3,000 kg mass, solid rocket motors, and cesium sensors.
Launch Date: 1985-09-27
Launch Vehicle: Proton Booster Plus Upper Stage
Launch Site: Tyuratam (Baikonur Cosmodrome), U.S.S.R
Mass: 20000 kg
Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office