NSSDCA/COSPAR ID: 1987-050A
Cosmos 1851 was a Soviet missile early warning satellite launched from the Plesetsk cosmodrome aboard a Molniya rocket. It was part of the Oko constellation of satellites and covered the plane 6 - 113 degree longitude of ascending node.
Launch Date: 1987-06-12
Launch Vehicle: Modified SS-6 (Sapwood) with 2nd Generation Upper Stage + Escape Stage
Launch Site: Plesetsk, U.S.S.R
Mass: 1800 kg
Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office