News || GOSAT-GW Project | Satellite Observation Center

Jun. 19. 2026

The concept paper on the greenhouse gas observation mission with GOSAT-GW by Tanimoto et al. (2025) has received “The Most Downloaded Paper Award 2026” from Progress in Earth and Planetary Science (PEPS).

https://link.springer.com/journal/40645/updates/27794602 (external link)

Jun. 18. 2026

Schedule change: TANSO-3 Level 1B products for general users will be released after July 2026 (TBD).

Observation Request and Products

Feb. 12. 2026

The top page now includes a link to GOSAT-GW TANSO-3 Product Archive.

Please check our homepage banner.

Jan. 8. 2026

[ Press release ] Initial analysis results of focus-mode observation data from the Total Anthropogenic and Natural emissions mapping SpectrOmeter-3 (TANSO-3) onboard the Global Observing SATellite for Greenhouse gases and Water cycle (GOSAT-GW, “IBUKI GW”)

https://www.nies.go.jp/en/pr/news-and-updates/2026/20260122/20260122.html (NIES Website)

Oct. 31. 2025

The announcement on Authorized User application was posted.

Observation Request and Products

Oct. 24. 2025

Product file format descriptions and samples of Level 2 products were released.

Observation Request and Products

Aug. 18. 2025

Photos and movies of the GOSAT-GW launch have been posted on the gallery.

Gallery

Aug. 8. 2025

[ Press release ] First observations by the Total Anthropogenic and Natural emissions mapping SpectrOmeter-3 (TANSO-3) onboard the Global Observing SATellite for Greenhouse gases and Water cycle “IBUKI GW” (GOSAT-GW).

https://www.nies.go.jp/en/pr/news-and-updates/2025/20250826/20250826.html (NIES Website)

Jul. 1. 2025

[ Press release ] GOSAT-GW Successful Launch and Completion of Critical Operations Phase.

https://www.nies.go.jp/en/pr/news-and-updates/2025/20250701/20250701.html (NIES Website)

Jun.30. 2025

IBUKI-GW (GOSAT-GW) Successful Launch.

GOSAT-GW Successful Launch