Next H3 launch
H3 is Japan's flagship rocket, built by Mitsubishi Heavy Industries for JAXA and launched from Tanegashima Space Center. It replaces the long-serving H-IIA and flies Japanese navigation, Earth observation and cargo missions to the ISS.
Next launch
Martian Moon eXplorer (MMX)
GoH3-24 · Mitsubishi Heavy Industries
Mon 19 Oct 2026, 19:41 UTCTanegashima Space Center, Japan
TBD
Completed launches
4
Successful
3
Failures
1
Success rate
75%
Recent launches
- Michibiki 7 (QZS-7)Success
Mon 10 Aug 2026, 19:23 UTC · H3-22
- HTV-X2TBD
Fri 31 Jul 2026, 00:00 UTC · H3-24
- H3-30 Test FlightSuccess
Fri 12 Jun 2026, 00:53 UTC · H3-30
- Michibiki 5 (QZS-5)Failure
Mon 22 Dec 2025, 01:51 UTC · H3-22
- HTV-X1Success
Sun 26 Oct 2025, 00:00 UTC · H3-24
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Frequently asked questions
- When is the next H3 launch?
- The next H3 launch is Martian Moon eXplorer (MMX) from Tanegashima Space Center, Japan, scheduled for Mon 19 Oct 2026, 19:41 UTC.
- Where does H3 launch from?
- Recent and upcoming H3 launches fly from Tanegashima Space Center, Japan.
- Who operates H3?
- H3 launches are operated by Mitsubishi Heavy Industries.
- How reliable is H3?
- 3 of 4 completed launches in Orbit's records since October 2025 were successful.
- Can I watch the launch live?
- Yes. Each launch page shows the official live stream when the provider publishes one, plus a countdown in your local time. Sign up free to get a notification before launch.