RobotRisk Autonomous Systems Incident & Risk Register
RobotRisk / JAXA / 2025-12-22
defense space · mission-loss

Japanese H3 rocket fails during launch of navigation satellite

S4 · 12/22
2025 · JAXA · Japan

Record

CompanyJAXA
Categorydefense space
Typemission-loss
Date12/22
2025
Time of daynot documented
LocationJapan
SeverityS4 (serious injury, total loss, or grounding)
Scale-
Confidencehigh
VerificationYes - adversarially checked against the cited source
SourceSpace.com / Asahi

What happened

JAXA's H3 rocket suffered a second-stage/payload fairing separation anomaly, resulting in the loss of the QZS-5 navigation satellite.

JAXA record context

JAXA vs defense space alternatives

defense space context

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362019 S3: 11192020 S3: 11202021 S3: 12021 S4: 12212022 S2: 12022 S3: 12222023 S4: 11232024 S4: 11242025 S2: 12025 S3: 12025 S4: 46252026 S4: 6626
S1S2S3S4S5

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mission-loss context

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mission-loss: severity profile

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