Observing Systems Capability Analysis and Review Tool
Satellite Programme: Global Change Observation Mission for Water ("Shizuku")
The Global Change Observation Mission (GCOM) is a follow-on to ADEOS-2, consisting of 2 series: GCOM-W for water circulation changes, and GCOM-C for climate changes.
GCOM-W is a series of three satellites, addressing multi-purpose MW imagery for ocean, land and precipitation.
Japanese programme: JAXA responsible of development and operations.
The platforms are actively stabilised over 3 axes.
The design life time is 5 years.
The satellites exploit sun-synchronous orbits around 13:30, coordinated with that of POES satellites, Suomi-NPP and JPSS.
The replacement policy is based on launching a satellite roughly 6 months before the expected end-of-life of the previous one.
See detailed description at
Global data stored onboard and downlinked to the Svalbard station, then transferred to the Tsukuba Space Center (TKSC).
Real-time transmission to a JAXA domestic station in Katsuura (with backup in Tsukuba) for further relay to the TKSC. Also direct-read-out to specifically appointed stations.
Processing and distribution from TKSC.
2012 - 2025
Associated satellites and instruments
Note: red tag => no longer operational , green tag => operational , blue tag => planned
Global Change Observation Mission for Water ("Shizuku")
(2012 - 2018)
(2019 - 2024)
(2020 - 2025)