4478 20200106162433.0 Vanlommel, Petra Happy birthday PROBA2! 2019 2019-10-31 On November 2, the ESA satellite PROBA2 will be celebrating its 10th anniversary. Not bad for this small Belgian spacecraft that was initially intended for a two-year mission! STCE satellites sun observations Belgian PROBA2, Science Team petra.vanlommel@observatoire.be PRESSREL