High Gain Antenna Gimbal (HGAG) for the rover Perseverance of the Mars 2020 mission
PROBA is a space program managed by ESA for the in-orbit demonstration of platform and payload technologies. PROBA-3 aims to demonstrate precise formation flying technologies.
The mission consists of two small spacecrafts of 350 kg and 200 kg flying in a formation with relative position control accuracy of less than 1 mm.