EntityQ12684878· pop 6· linked from 100 articlesKosmos 138Sign in to saveConnectionsEnvironmental Research SatelliteEntityPlesetsk CosmodromeEntityZenitEntityRussianEntitySoviet UnionConceptpublic domainEntityorbital periodEntityapsisEntitylow Earth orbitEntityorbital inclinationEntityepochEntityApollo 4Entityreconnaissance satelliteEntitySoyuz 1EntityMariner 5Entitygeocentric orbitEntityVenera 4EntityS.P. Korolev Rocket and Space Corporation EnergiaCompanyInternational DesignatorEntitySurveyor 3EntityCategories1967 in the Soviet UnionKosmos satellitesSource attributionSpacecraft launched in 1967Spacecraft which reentered in 1967Zenit-2 satellites