Kosmos 2511Rocket launchby RussiaLaunch time5 Dec 201514:08:33 UTCpartial failureReconnaissance satellites; Kanopus-ST did not separate from the Volga upper stage.MissionRocketPayloadsRocket Soyuz2.1vlaunched from Plesetsk Cosmodrome, Pad 43/4RussiaPayloadsNamePurposeMassCommentKosmos 2511 (Kanopus-ST)---Kosmos 2512 (KYuA)---