Japan Launches GOSAT-GW Satellite on Final H-2A Rocket Mission for Global Climate Monitoring

In a significant advancement for environmental science, Japan has successfully launched its third environmental observation satellite, GOSAT-GW, aimed at monitoring greenhouse gases and the global water cycle. This mission marks a historic milestone as it was carried out using the H-2A rocket system’s 50th and final flight, signaling the end of an era in Japanese aerospace engineering.

H-2A Rocket’s Final Flight

The launch took place at the Tanegashima Space Center, Japan’s prominent launch facility. The H-2A rocket, known for its reliability, has been operational since 2001 and has completed a total of 50 missions, including notable launches like the SLIM lunar lander and the Hayabusa2 asteroid mission.

The successful deployment of GOSAT-GW (Greenhouse Gases Observing Satellite – Global Water) into its designated orbit occurred approximately 16 minutes after liftoff. The satellite will provide critical data on greenhouse gases and contribute to early warning systems for rising sea levels, precipitation patterns, and potential natural disasters.

Transition to the Next-Gen H3 Rocket

With this final launch, Japan is transitioning to the next-generation H3 rocket, designed to offer lower costs and higher payload capacity. The H3 will serve as the backbone of future Japanese space missions, continuing the legacy of technological innovation and environmental focus.

Global Data Sharing and Climate Collaboration

The GOSAT-GW satellite is expected to provide valuable climate data to scientists worldwide, including partners in the United States. The satellite’s mission aligns with international efforts to combat climate change, strengthen early warning systems, and support climate research and forecasting.

For more on how satellite technology helps monitor climate change, visit this NASA Earth Observatory page.

With this successful launch, Japan reinforces its role as a global leader in space-based climate observation and sets the stage for a new era of innovation with the H3 rocket series.