Shizuku

active

しずく

Earth ObservationLEOCOSPAR 2012-025ALaunched 5/17/2012

Admin Edit

Mission & Launch

Launch Mission: GCOM-W1/KOMPSAT-3
Launch Vehicle: H-IIA 202
Launch Date: 5/17/2012

Orbit & Mass

Orbit Class: LEO
Altitude: 699 km
Inclination: 98.17 deg
Dry Mass: 1,841 kg
Total Mass: 1,991 kg

Payload Classification

Mission Type

Mentions

All verified mentions of this spacecraft in source documents.

The wavelength ranges that AMSR3 can observe have been enhanced compared to AMSR2, which was onboard Shizuku, allowing it to observe snowfall and upper-level water vapor.

CapabilityGeneralValue 3.5Oct 21, 2025観測衛星「いぶきGW」、定常運用を開始–温室効果ガスや水の循環をより詳細に

GOSAT-GW continues the water cycle variation observation mission of Shizuku (GCOM-W), launched in 2012, and the greenhouse gas observation missions of GOSAT, launched in 2009, and GOSAT-2, launched in 2018.