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Based on the final trajectory obtained from telemetry data, JAXA is evaluating the subsequent condition of the rocket and satellite.
Japan Aerospace Exploration Agency (JAXA) announced on December 22 that the H3 rocket's launch failed and may have resulted in the loss of the Quasi-Zenith Satellite 'MICHIBIKI' No. 5.
JAXA's Director and Launch Implementation Manager Masashi Okada is currently verifying if the satellite (MICHIBIKI) was successfully separated.
JAXA explained that while a separation signal was sent from the rocket, the back signal indicating successful separation of the satellite (MICHIBIKI) was not received.
The January 15, 2026 JAXA event is hosted by the Japan Aerospace Exploration Agency (JAXA) International Space Exploration Center.
JAXA has established a countermeasure headquarters in response to the H3 rocket launch failure.
A JAXA event will be held on January 15, 2026 from 13:00 to 16:35 at the Miraikan Hall on the 7th floor of the National Museum of Emerging Science and Innovation in Tokyo.
JAXA has established a response headquarters led by Chairman Hiroshi Yamakawa to investigate the cause of the failure.
JAXA is confirming the situation following the early shutdown of the H3 No. 8 second-stage engine.
JAXA identified the cause of the anomaly in the frame deflector cooling system and confirmed through testing that water could be injected at the proper flow rate.
Japan Aerospace Exploration Agency (JAXA) will launch the H3 rocket number 8 carrying the Quasi-Zenith Satellite 'Michibiki No. 5' on December 22 at 10:30 AM.
The Japan Aerospace Exploration Agency (JAXA) is responsible for the launch schedule of MICHIBIKI No. 5.
JAXA’s MMX mission is designed to explore Phobos and Deimos and investigate the origin of Mars’s tiny moons.
JAXA’s MMX mission will depart for Phobos at the end of 2026.
JAXA completed measures to address the previously identified issue with the IMU but encountered a new problem with the equipment system.
Naoko Yamazaki, a former JAXA astronaut, will serve as the General Manager of Vast Japan LLC.
The Japan Aerospace Exploration Agency (JAXA) postponed the launch of the H3 rocket No. 8 on December 17 due to an abnormality found in the water injection system used to cool the launch pad.
Rocket Lab has a second dedicated JAXA mission slated for the first quarter of 2026 under the same demonstration program.
Hiroshi Yamakawa is President of the Japan Aerospace Exploration Agency (JAXA).
Rocket Lab's Electron successfully launched the Raise-4 satellite belonging to the Japanese space agency JAXA on December 15, 2025.