On Closer Inspection placed Astroscale's 150-kilogram ADRAS-J spacecraft into a precisely targeted orbit for a close-proximity inspection of the derelict H-IIA upper stage left by the 2009 GOSAT launch. The demonstration was designed to characterize a non-cooperative debris object through rendezvous and fly-around operations, informing future active-removal work.
Alerts are unavailable because this mission is no longer active.