First observations by the Greenhouse Gases Observing Sensor-3 (TANSO-3) onboard the "IBUKI-GW" (GOSAT-GW)

NIES - The Greenhouse Gases and Water Cycle Observing Satellite "IBUKI GW" (GOSAT-GW), jointly developed by the Ministry of the Environment, the National Institute for Environmental Studies, and the Japan Aerospace Exploration Agency, was launched on June 29, 2025, and is currently undergoing initial functional verification operations. The first observations were conducted by the onboard Greenhouse Gases Observing Sensor-3 (TANSO-3) from July 14 to July 20, and it was confirmed that TANSO-3 was operating normally.

Mission