DLR’s Advanced Rendezvous demonstration using GPS and Optical Navigation (ARGON) has been successfully executed during the PRISMA mission in the time frame April 23-27, 2012. The ARGON experiment demonstrated a long-range rendezvous to a non-cooperative target by means of angles-only measurements. Starting from more than 30 km distance, the active Mango s/c approached the passive Tango s/c to reach a 3 km safe hold-point within five days of ground-based operations.
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