Helios 1BRocket launchby ArianespaceEuropeLaunch time3 Dec 199916:22 UTCsuccessOrbit: SSOSerial number: V-124MissionRocketPayloadsRocket Ariane4 40launched from Guiana Space Centre, ELA-2French GuianaPayloadsNamePurposeMassCommentClémentine---Helios 1B---