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Japan Aerospace Exploration Agency (JAXA)

JP
gov civilFounded 2003
Japan
www.jaxa.jp
Admin Edit

All verified mentions of this organization in source documents.

Based on the final trajectory obtained from telemetry data, JAXA is evaluating the subsequent condition of the rocket and satellite.

Mentioned as: JAXATechnical ProductDec 22, 2025【更新】JAXA、H3ロケット8号機の打ち上げ失敗–日本版GPS衛星「みちびき5号機」を喪失

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.

Mentioned as: Japan Aerospace Exploration Agency (JAXA)Narrative GeneralDec 22, 2025【更新】JAXA、H3ロケット8号機の打ち上げ失敗–日本版GPS衛星「みちびき5号機」を喪失

JAXA's Director and Launch Implementation Manager Masashi Okada is currently verifying if the satellite (MICHIBIKI) was successfully separated.

Mentioned as: Japan Aerospace Exploration Agency (JAXA)Narrative GeneralDec 22, 2025【更新】JAXA、H3ロケット8号機の打ち上げ失敗–日本版GPS衛星「みちびき5号機」を喪失

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.

Mentioned as: Japan Aerospace Exploration Agency (JAXA)Narrative GeneralDec 22, 2025【更新】JAXA、H3ロケット8号機の打ち上げ失敗–日本版GPS衛星「みちびき5号機」を喪失

The January 15, 2026 JAXA event is hosted by the Japan Aerospace Exploration Agency (JAXA) International Space Exploration Center.

Mentioned as: Japan Aerospace Exploration Agency (JAXA)Narrative GeneralDec 22, 2025【2026年1月開催分】宇宙ビジネス関連イベント情報

JAXA has established a countermeasure headquarters in response to the H3 rocket launch failure.

Mentioned as: JAXATechnical ProductDec 22, 2025RT by @GewoonLukas_: [プレスリリース] H3ロケット8号機の打上げ失敗及び対策本部の設置 #JAXA https://www.jaxa.jp/press/2025/12/20251222-2_j.html

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.

Mentioned as: Japan Aerospace Exploration Agency (JAXA)Narrative GeneralDec 22, 2025【2026年1月開催分】宇宙ビジネス関連イベント情報

JAXA has established a response headquarters led by Chairman Hiroshi Yamakawa to investigate the cause of the failure.

Mentioned as: JAXATechnical ProductDec 22, 2025【更新】JAXA、H3ロケット8号機の打ち上げ失敗–日本版GPS衛星「みちびき5号機」を喪失

JAXA is confirming the situation following the early shutdown of the H3 No. 8 second-stage engine.

Mentioned as: Japan Aerospace Exploration Agency (JAXA)Narrative GeneralDec 22, 2025【速報】H3ロケット8号機、打ち上がるも第2段エンジンが早期に燃焼停止–JAXAが状況確認へ

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.

Mentioned as: Japan Aerospace Exploration Agency (JAXA)Narrative GeneralDec 19, 2025JAXA、H3ロケット8号機を12月22日に打ち上げへ–注水設備の異常に対処

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.

Mentioned as: jaxaTechnical ProductDec 19, 2025JAXA、H3ロケット8号機を12月22日に打ち上げへ–注水設備の異常に対処

The Japan Aerospace Exploration Agency (JAXA) is responsible for the launch schedule of MICHIBIKI No. 5.

Mentioned as: Japan Aerospace Exploration Agency (JAXA)Narrative GeneralDec 19, 2025RT by @GewoonLukas_: [Press Release] Launch Schedule of MICHIBIKI No. 5, Quasi-Zenith Satellite System (QZS-5) aboard the 8th H3 Launch Vehicle (H3 F8) [Rescheduled] #JAXA https://global.jaxa.jp/press/2025/12/202519-1_e.html

JAXA’s MMX mission is designed to explore Phobos and Deimos and investigate the origin of Mars’s tiny moons.

Mentioned as: jaxaNarrative CapabilityDec 18, 2025MMX mission: behind the scenes of Idefix® rover testing

JAXA’s MMX mission will depart for Phobos at the end of 2026.

Mentioned as: jaxaNarrative GeneralDec 18, 2025MMX mission: behind the scenes of Idefix® rover testing

JAXA completed measures to address the previously identified issue with the IMU but encountered a new problem with the equipment system.

Mentioned as: Japan Aerospace Exploration Agency (JAXA)Narrative GeneralDec 17, 2025H3ロケット8号機、打ち上げ直前に緊急停止–射場の注水設備に異常

Naoko Yamazaki, a former JAXA astronaut, will serve as the General Manager of Vast Japan LLC.

Mentioned as: Japan Aerospace Exploration Agency (JAXA)Narrative PlanDec 17, 202512/17宇宙ニュース・民間宇宙ステーション開発のVastが日本オフィス開設、元JAXAの山崎直子氏がトップに ほか3件

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.

Mentioned as: Japan Aerospace Exploration Agency (JAXA)Narrative GeneralDec 17, 2025H3ロケット8号機、打ち上げ直前に緊急停止–射場の注水設備に異常

Rocket Lab has a second dedicated JAXA mission slated for the first quarter of 2026 under the same demonstration program.

Mentioned as: Japan Aerospace Exploration Agency (JAXA)Narrative GeneralDec 16, 2025Rocket Lab completes first dedicated JAXA mission with Electron launch

Hiroshi Yamakawa is President of the Japan Aerospace Exploration Agency (JAXA).

Mentioned as: Japan Aerospace Exploration Agency (JAXA)Narrative GeneralDec 16, 2025Momentum building for Singapore Space Summit 2026

Rocket Lab's Electron successfully launched the Raise-4 satellite belonging to the Japanese space agency JAXA on December 15, 2025.

Mentioned as: Japan Aerospace Exploration Agency (JAXA)Org RelationshipDec 16, 2025Rocket Lab lancia con successo Electron per la missione Raise-4
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