NSSDCA/COSPAR ID: 1977-027A
Cosmos 903 was a Soviet missile early warning satellite launched from the Plesetsk cosmodrome aboard a Soyuz rocket. It covered the Oko constellation plane 7 - 163 degree longitude of ascending node.
Launch Date: 1977-04-11
Launch Vehicle: Soyuz
Launch Site: Plesetsk, U.S.S.R
Mass: 1250 kg
Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office