Advanced Composition ExplorerRocket launchby USALaunch time25 Aug 199714:39 UTCsuccessOrbit: HeliocentricSerial number: Delta 247Solar wind and cosmic-ray research.MissionRocketPayloadsRocket DeltaII 7920-8launched from Cape Canaveral, LC-17AUSAPayloadsTotal mass 562 kgNamePurposeMassCommentAdvanced Composition Explorer (ACE)---