BackForward Satellite: GOSAT-GW 

Satellite details
Acronym GOSAT-GW
Full name Global Observation SATellite for Greenhouse gases and Water cycle
Satellite Description
  • 3rd flight unit of the GOSAT programme.
  • Main missions: atmospheric chemistry and multi-purpose MW imagery.
  • Instrument descriptions not fully available. The optical payload will combine the GOSAT-2 TANSO-FTS/2 and TANSO-CAI/2.  The MW radiometer, AMSR-3, will be a follow-on of AMSR-2 being flown on GCOM-W, with addition of channels at 165.5 GHz and in the 183 GHz band.
Mass at launch 2600 kg Dry mass
Power 5300 W
Data access link no link provided
Data access information
  • All data access provided by National Institute for Environmental Studies
Orbit Sunsynchronous orbit Altitude 666 km
ECT 13:30 asc


Space agency JAXAMOE
Status Planned
Details on Status
(as available)
  • ECT to be confirmed.
Launch ≥2023 EOL ≥2030
Last update: 2022-03-21
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 GOSAT-GW

Acronym Full name
AMSR-3 Advanced Microwave Scanning Radiometer - 3
TANSO-3 Thermal And Near infrared Sensor for carbon Observations
Show instrument status and calibration
Satellite frequencies for Earth Observation, data transfer and platform communications and control
Earth observation MW frequencies
Service Sensing mode Frequency (GHz) Bandwidth (MHz) Polarisation Comments
AMSR-3 passive 6.925 GHz 350 MHz H&V
AMSR-3 passive 7.3 GHz 350 MHz H&V
AMSR-3 passive 10.25 GHz 500 MHz H&V
AMSR-3 passive 10.65 GHz 100 MHz H&V
AMSR-3 passive 18.7 GHz 200 MHz H&V
AMSR-3 passive 23.8 GHz 400 MHz H&V
AMSR-3 passive 36.5 GHz 1000 MHz H&V
AMSR-3 passive 89 GHz 3000 MHz H&V
AMSR-3 passive 165.5 GHz 4000 MHz V
AMSR-3 passive 183.31 GHz 2000 MHz V 2 water vapour channels +/-3GHz; +/-7GHz