EO·Atlas
SuperSTAR Accelerometer
Compiled from public sources on 2026-06-08. Not independently verified by ONERA (Office National d'Etudes et de Recherches Aerospatiales).
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Electrostatic accelerometer class used on GRACE and GRACE-FO to observe non-gravitational spacecraft acceleration for gravity-field processing.
SuperSTAR Accelerometer represents the electrostatic accelerometer class flown on GRACE and closely related accelerometers flown on GRACE-FO. These instruments measure non-gravitational acceleration on each spacecraft so atmospheric drag and solar radiation pressure can be removed from gravity solutions [1][2]. GRACE-FO uses three-axis electrostatic accelerometers developed by ONERA and similar to the SuperSTAR units flown on GRACE [2].
Pricing not publicly listed by operator
Compositional position
- Satellite gravimetryvia GRACE
Onboard electrostatic accelerometers support GRACE and GRACE-FO satellite gravimetry by observing non-gravitational acceleration for force correction.
None on record.
- [1]Gravity Recovery and Climate Experiment, PO.DAACagency doc2026-06-08
- [2]GRACE-FO spacecraft and instruments, NASA JPLagency doc2026-06-08