Kosmos 1546Rocket launchby RussiaLaunch time29 Mar 198405:53 UTCsuccessOrbit: GSOSerial number: 319-02MissionRocketPayloadsRocket ProtonK/DM 8K82K/11S86launched from Baikonur Cosmodrome, Pad 200/40KazakhstanPayloadsNamePurposeMassCommentKosmos 1546 (Prognoz)Missile defence--