EntityQ3399229· pop 6· linked from 130 articlesKosmos 931Sign in to saveRussian military early warning satelliteConnectionsInternational DesignatorEntityRussianEntitySoviet UnionConceptdigital object identifierEntityInternational Standard Serial NumberEntityVoyager 1EntityVoyager 2Entityorbital periodEntityapsisEntitybibcodeEntityorbital inclinationEntityPlesetsk CosmodromeEntitygeocentric orbitEntityQ22908627Entityoptical telescopeEntitythermographyEntitySatellite Catalog NumberEntityKosmosEntitySalyut 6EntityKosmos 954EntityCategories1977 in spaceflightKosmos satellitesOkoSpacecraft launched by Molniya-M rocketsSpacecraft launched in 1977Spacecraft that broke apart in space