IRISRocket launchby Northrop GrummanUSALaunch time28 Jun 201302:27:46 UTCsuccessOrbit: LEOMissionRocketPayloadsRocket PegasusXLlaunched from Vandenberg AFBUSAPayloadsTotal mass 183 kgNamePurposeMassCommentIRIS – Interface Region Imaging Spectrograph SMEX---