Program archive

Twin gravity-mapping satellites

Twin gravity-mapping satellites is explored here through 2 archived missions, from GRACE through GRACE Follow-On, with the program’s spacecraft, people, milestones, and source-backed history connected along the way.

Missions: 2
People: 0
Vehicles: 2

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Twin gravity-mapping satellites science and payloads

The instruments, experiments, destinations, and scientific purpose connected to each robotic mission.

Robotic missionGRACEEarth's time-variable gravity field

Spacecraft: GRACE-1 and GRACE-2 twin spacecraft
Launch vehicle: Rokot / Briz-KM
Measurement system: K-band microwave ranging system, GPS receivers, accelerometers, star cameras, and laser retroreflectors

Open science record →Robotic missionGRACE Follow-OnEarth's time-variable gravity field

Spacecraft: GRACE-FO twin spacecraft
Launch vehicle: Falcon 9 Block 5
Measurement system: K/Ka-band microwave ranging system, experimental laser ranging interferometer, GPS receivers, accelerometers, star cameras, and laser retroreflectors

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