EntityQ3399199· pop 5· linked from 145 articlesKosmos 606Sign in to saveRussian military early warning satelliteConnectionsPlesetsk CosmodromeEntityInternational DesignatorEntityRussianEntitySoviet UnionConceptdigital object identifierEntityInternational Standard Serial NumberEntityorbital periodEntityapsisEntitySkylabEntityPioneer 11EntitybibcodeEntityorbital inclinationEntityMariner 10Entitygeocentric orbitEntityQ22908627Entityoptical telescopeEntitythermographyEntityLuna 21EntitySatellite Catalog NumberEntityMars 6EntityCategories1973 in spaceflightKosmos satellitesOkoSpacecraft launched by Molniya-M rocketsSpacecraft launched in 1973