EntityQ749829· pop 5· linked from 75 articlesDiscoverer 22Sign in to saveReconnaissance satelliteConnectionsCoronaEntityNASAConceptUnited States Air ForceEntitylow Earth orbitEntityVostok 1Entityfocal lengthEntityepochEntityVandenberg Space Force BaseEntityVenera 1Entityreconnaissance satelliteEntityLockheed CorporationEntitygeocentric orbitEntityVostok 2EntityNational Reconnaissance OfficeEntityRanger 1Entitypanoramic photographyEntityTyazhely SputnikEntityRanger 2Entityspacecraft busEntityKorabl-Sputnik 4EntityCategoriesSatellite launch failuresSpacecraft launched in 1961