On board each two satellites, an accelerometer developped by ONERA has given for 15 years valuable data to monitor the Earth's gravity field.
The MICROSCOPE and GOCE ONERA's acceleromters have a 100 better performance.
They are inherited from GRACE acccelerometer technology.
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NASA JPL realised a video for the anniversary: https://youtu.be/fKVPFyu_tHQ
On board each two satellites, an accelerometer developped by ONERA has given for 15 years valuable data to monitor the Earth's gravity field.