BackForward Satellite: GCOM-W 

Satellite details
Acronym GCOM-W
Full name Global Change Observation Mission for Water
Satellite Description
  • 1st flight unit of the GCOM programme.  Japanese name:"Shizuku".
  • Main mission: ocean observation.
  • Substantial contribution to operational meteorology and hydrology.
Mass at launch 1991 kg Dry mass 1840 kg
Power 4050 W
Data access link
Data access information
  • Data available at JAXA for the general user community.
  • Specific rapid delivery to NOAA for complementing the Suomi-NPP and JPSS data suite.
Orbit Sunsynchronous orbit Altitude 700 km
ECT 13:30 asc


Space agency JAXA
Status Operational
Details on Status
(as available)
Launch 17 May 2012 EOL ≥2022
Last update: 2021-11-30
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 GCOM-W

Acronym Full name
AMSR2 Advanced Microwave Scanning Radiometer - 2
Show instrument status and calibration
Telecommunication frequency or microwave sensing channel information Show expert details
Service Dir or Mode Frequency Emission designator Bandwidth Polarisation D/A Data rate or Baseband Comments
AMSR-2 passive 6925 MHz 350000  kHz H&V A   Window channel
AMSR-2 passive 7300 MHz 350000  kHz H&V A   Window channel
AMSR-2 passive 10650 MHz 100000  kHz H&V A   Window channel
AMSR-2 passive 18700 MHz 200000  kHz H&V A   Window channel
AMSR-2 passive 23800 MHz 400000  kHz H&V A   Water vapour channel
AMSR-2 passive 36500 MHz 1000000  kHz H&V A   Window channel
AMSR-2 passive 89000 MHz 3000000  kHz H&V A   Window channel