22 December, 2025
japan-s-h3-rocket-fails-to-deliver-satellite-into-orbit

Japan’s space ambitions faced a significant setback on Monday when the H3 rocket, designed to carry the Michibiki 5 navigation satellite, failed to place its payload into orbit. This incident marks the second failure for Japan’s new flagship rocket, which had previously experienced a botched debut flight in March 2023 after six successful launches.

The Japan Aerospace Exploration Agency (JAXA) confirmed that the H3 rocket launched from the Tanegashima Space Centre, located on a southwestern Japanese island. The mission aimed to establish a more precise location positioning system for Japan, reducing reliance on foreign systems such as the United States’ GPS. Unfortunately, the rocket’s second-stage engine experienced an unexpected premature cutoff, preventing confirmation of the satellite’s separation from the rocket.

At a news conference, Masashi Okada, JAXA’s executive and launch director, stated that the agency is currently analyzing data to determine the exact cause of the malfunction. The fate of the Michibiki 5 satellite remains uncertain, as officials have not confirmed whether it was successfully released into space or where it may have ended up.

Jun Kondo, an official with the Ministry of Education, Culture, Sports, Science and Technology, expressed disappointment over the failure, calling it “extremely regrettable.” In response to the incident, the Japanese government has established a task force to investigate the causes of the failure and implement measures to restore credibility to the country’s space program.

This failure poses a significant hurdle for Japan’s plans to enhance its satellite launch capabilities, particularly in developing an independent geolocation system for smartphones, maritime navigation, and drones. The H3 rocket was envisioned as a more cost-competitive alternative to the earlier H-2A rocket, which had maintained a near-perfect success record.

Japan’s commitment to a robust and commercially viable space transport capability is seen as crucial for both its space program and national security. As JAXA continues its investigation, the focus will be on addressing the issues that led to this failure and ensuring future missions can achieve their intended objectives.