Venera 11Rocket launchby RussiaLaunch time9 Sep 197803:25 UTCsuccessOrbit: HeliocentricSerial number: 296-01MissionRocketPayloadsRocket ProtonK/D-1 8K82K/11S824Mlaunched from Baikonur Cosmodrome, Pad 81/23KazakhstanPayloadsNamePurposeMassCommentVenera 11 (Venera 4V-1 #360)Venus probe--