NASA Fermi: Close Call with a Soviet Satellite

NASA scientists don’t often learn that their spacecraft is at risk of crashing into another satellite. But when Julie McEnery, the project scientist for NASA’s Fermi Gamma-ray Space Telescope, checked her email on March 29, 2012, she found herself facing this precise situation.

An excellent overview of how debris avoidance manoeuvres are planned and executed – and it’s a similar process at ESA!

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