EntityQ53535· pop 12· linked from 93 articlesKosmos 4Sign in to savefirst Soviet reconnaissance satelliteConnectionsEnvironmental Research SatelliteEntityZenitEntityKazakhstanCountryRussianEntitySoviet UnionConceptoxygenEntitypublic domainEntityparachuteEntityBaikonur CosmodromeEntityGreenwich Mean TimeEntityorbital periodEntityapsisEntitylow Earth orbitEntityorbital inclinationEntitySputnik programmeEntityMariner 2EntityMariner 1Entityhuman spaceflightEntityreconnaissance satelliteEntitygeocentric orbitEntityCategories1962 in the Soviet UnionKosmos satellitesSource attributionSpacecraft launched in 1962Spacecraft which reentered in 1962Zenit-2 satellites