What exactly happened on the H3 mission with Michibiki 5?

The H3’s upper stage failed to ignite as planned, leaving the QZS‑5 (Michibiki 5) satellite short of its intended orbit. Teams are analyzing telemetry to pinpoint the cause. JAXA initiated a task force and paused further launches until a verified fix and successful testing restore confidence.

How could this affect Mitsubishi Heavy Industries st in the short term?

Headline risk can lift volatility and weigh on valuation as investors price schedule and remediation uncertainty. Until root cause and fixes are proven in testing, Mitsubishi Heavy Industries st may trade on news bursts. Clear, data-backed updates and a realistic launch timeline would help stabilize sentiment.

What should US investors monitor next?

Watch official updates on the JAXA investigation, hot-fire or subsystem tests, and any revised launch date. Also monitor company statements on costs, milestone timing, and insurance coverage. For trading, consider USD/JPY moves and liquidity around Tokyo market hours, which can widen spreads following major news.

Is the Michibiki 5 satellite considered a total loss?

Early reports indicate the satellite was left short of its target orbit, not destroyed. Mission recovery options depend on its remaining fuel, health, and achievable orbit adjustments. Final status will depend on operator assessments and whether a workable navigation service profile can still be supported.

Global Market Insights

7011.T Stock Today: December 23 — H3 Rocket Failure Puts Mitsubishi Heavy in Spotlight

ByHuzaifa Zahoor December 23, 2025December 23, 2025

On December 23, Mitsubishi Heavy Industries st is in focus after Japan’s H3 rocket failure left the Michibiki 5 satellite short of its target orbit. As prime contractor, 7011.T faces questions on reliability, schedules, and remediation costs while JAXA begins a formal investigation. U.S. investors should watch updates on cause, test plans, and the next launch timeline. With Tokyo listing, FX and market hours can add noise, but the near-term driver is clarity. For now, Mitsubishi Heavy Industries st may trade on headlines rather than fundamentals.