EntityQ3398215· pop 5· linked from 129 articlesKosmos 1977Sign in to saveRussian military early warning satelliteConnectionsPlesetsk CosmodromeEntityInternational DesignatorEntityRussianEntityartificial satelliteEntitydigital object identifierEntityInternational Standard Serial NumberEntityorbital periodEntityapsisEntitybibcodeEntityorbital inclinationEntityBuranEntitygeocentric orbitEntityQ22908627Entityoptical telescopeEntitythermographyEntitySatellite Catalog NumberEntitySTS-26EntitySTS-27EntityKosmosEntityPhobos 2EntityCategories1988 in the Soviet UnionKosmos satellitesOkoSpacecraft launched by Molniya-M rocketsSpacecraft launched in 1988