Proba
 
22 October 2002   Just 60x60x80 cm and weighing only 94 kg, ESA’s Project for On-Board Autonomy satellite, better known as Proba, is one of the most advanced small satellites ever flown in space.

Since its launch in 2001 Proba’s high-performing computer system and technologically advanced instruments have enabled it to demonstrate and evaluate onboard operational autonomy, new spacecraft technology both hardware and software, and to test Earth observation and space environment instruments in space.