Kosmos 573Rocket launchby RussiaLaunch time15 Jun 197306:00 UTCsuccessOrbit: LEOUnmanned test of upgraded Soyuz spacecraft.MissionRocketPayloadsLandingRocket Soyuz7K-Tlaunched from Baikonur Cosmodrome, Pad 1/5KazakhstanPayloadsNamePurposeMassCommentKosmos 573 (Soyuz 7K-T)---Spacecraft landingDate17 Jun 1973