BackForward Satellite: GRACE-FO (2 sats) 

Satellite details
Acronym GRACE-FO (2 sats)
Full name Gravity Recovery and Climate Experiment - Follow-on
WIGOS Station Identifier ---
Satellite Description
  • 2nd satellite couple of the GRACE programme.
  • Main missions: Solid Earth (gravity field).
  • Significant contribution to temperature/humidity sounding and ground water estimates.
Mass at launch 432 kg Dry mass 398 kg
Power 200 W
Data access link no link provided
Data access information
  • Off-line data available from the Principal Investigators at the GeoForschungsZentrum (GFZ) in Potsdam, or the Center for Space Research (CSR) in Austin.
Orbit Drifting orbit Altitude 490 km
Inclination 89 °


Space agency NASADLR
Status Operational
Details on Status
(as available)
Launch 22 May 2018 EOL ≥2026
Last update: 2024-05-02
Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

Satellite Payload

All known Instruments flying on GRACE-FO (2 sats)

Acronym Full name
Tri-G Triple G (GPS, Galileo, GLONASS)
HAIRS High Accuracy Inter-satellite Ranging System
LRR Laser Retro-Reflector
SCA Star Camera Assembly
SuperSTAR Super Space Three-axis Accelerometer for Research
Show instrument status and calibration