Successful Launch

June 29, 2025 | 01:33:03 a.m. JST
Aboard Japan's 50th and final H-IIA rocket

Transition to Nominal Operations

October 9, 2025
Illustration of GOSAT-GW observation (Click the image to enlarge)

Launch of
TANSO-3 Data Distribution Website

October 2025
(Click the image to access the website)

RRV Vicarious Calibration Campaign

October 2025
Railroad Valley, Nevada, USA

UNFCCC COP30, Belém, Brazil

November 10-22, 2025
Official exhibition with JAXA and RESTEC
Japan Pavilion seminar: Promoting the Use of GOSAT Data for Climate Science Outreach and Business Applications (co-organized with MOEJ)

Initial Analysis

January 8, 2026
Initial TANSO-3 data analysis results released
(Click the image to enlarge)

Tokyo Field Campaign (TOKYO-FC) Press Briefing

March 2026
NASA-JAPAN joint field campaign for GOSAT-GW data validation announced

TOKYO-FC Airborne Observations

March 2026
Airborne observations conducted for data intercomparison

JpGU-AGU Joint Meeting 2026

May 24-29, 2026
The Satellite Observation Center booth attracted a steady stream of visitors

RRV Vicarious Calibration Campaign

June 2026
Railroad Valley, Nevada, USA
(Click the image to enlarge)

GOSAT-GW Business Application Seminar, Tokyo

June 2026
Seminar: The Future of Utilizing GOSAT-GW TANSO-3 Greenhouse Gas Observation Data: Toward Expanded Business Applications (organized by MOEJ)

IWGGMS-22, Bonn, Germany

June 29–July 2, 2026
Participation and presentations at the 22nd International Workshop on Greenhouse Gas Measurements from Space (IWGGMS-22)

GOSAT-GW
One year of watching over the Earth