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Satellite details
Acronym
GRACE-FO (2 sats)
Full name
Gravity Recovery and Climate Experiment - Follow-on
Satellite Description
2nd satellite couple of the GRACE programme.
Main missions: Solid Earth (gravity field).
Significant contribution to temperature/humidity sounding.
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
NASA
, DLR
Status
Operational
Details on Status
Launch
22 May 2018
EOL
≥2023
Last update:
2019-06-11
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
Satellite payload
All known instruments flying on
GRACE-FO (2 sats)
Instrument
Full name
Start date
EOL date
Status
NRT dataInstrument landing page
Comments
Tri-G Triple G (GPS, Galileo, GLONASS) May 2019
≥2023 *
Active
Commissioning interrupted for three months because of failure of the Instrument Processing Unit of GRACE-FO 2. Restarted in January 2019.
HAIRS High Accuracy Inter-satellite Ranging System May 2019
≥2023 *
Active
Commissioning interrupted for three months because of failure of the Instrument Processing Unit of GRACE-FO 2. Restarted in January 2019.
LRR Laser Retro-Reflector May 2019
≥2023 *
Active
Commissioning interrupted for three months because of failure of the Instrument Processing Unit of GRACE-FO 2. Restarted in January 2019.
SCA Star Camera Assembly May 2019
≥2023 *
Active
Commissioning interrupted for three months because of failure of the Instrument Processing Unit of GRACE-FO 2. Restarted in January 2019.
SuperSTAR Super Space Three-axis Accelerometer for Research May 2019
≥2023 *
Active
Commissioning interrupted for three months because of failure of the Instrument Processing Unit of GRACE-FO 2. Restarted in January 2019.
* The information in this field is estimated or assumed
Satellite:
GRACE-FO (2 sats)