H3 family
H3-30
The H3 Launch Vehicle is a Japanese expendable launch system. H3 rockets are liquid-propellant rockets with strap-on solid rocket boosters and are planned to be launched from the Tanegashima Space Center in Japan. Mitsubishi and the JAXA have been responsible for the design, manufacture, and operation of the H3.
Flights flown13 scheduled
Success rate100%1/1
Maiden flight2026-06-12
Peak year20261 flight
H3-30 is built by Mitsubishi Heavy Industries of Japan. Company background, funding, contracts and news for this operator are tracked on Space Index. It first flew on 12 June 2026.
Flight record
100% success rate1 of 1 flown
First flight2026-06-12
Latest flight2026-06-12
Failures0
Consecutive successes1
Payload
| Sun-synchronous orbit | 4,000kg |
|---|---|
| Geostationary transfer orbit | 2,300kg |
| Launch cost | $50M |
Vehicle
| Stages | 2 |
|---|---|
| Length | 63m |
| Diameter | 5.27m |
| Launch mass | 274t |
| Liftoff thrust | 4,413kN |
| Maiden flight | 2026-06-12 |
| Reusable | No |
Pads used
Orbits delivered
Sun-Synchronous Orbit4
Launch history
| Date | Mission | Pad | Orbit | Outcome |
|---|---|---|---|---|
| 2026-06-12 | H3-30 | H3-30 Test Flight | Yoshinobu Launch Complex LP-2 | Sun-Synchronous Orbit | Success |
| TBD | H3-30 | IGS Optical Diversification 1 | Yoshinobu Launch Complex LP-2 | Sun-Synchronous Orbit | Scheduled |
| TBD | H3-30 | IGS Optical Diversification 2 | Yoshinobu Launch Complex LP-2 | Sun-Synchronous Orbit | Scheduled |
| TBD | H3-30 | IGS Optical 9 | Yoshinobu Launch Complex LP-2 | Sun-Synchronous Orbit | Scheduled |
Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.
Further reading: Wikipedia · Operator page