H3-30
ActiveMitsubishi Heavy Industries (MHI)
June 12, 2026
Description
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.
Specifications
-
Stages
2 -
Length
63.0 m -
Diameter
5.27 m -
Fairing Diameter
5.27 m -
Launch Mass
274.0 T -
Thrust
4413.0 kN
Family
-
Name
H3-30 -
Family
― -
Variant
30 -
Alias
― -
Full Name
H3-30
Payload Capacity
-
Launch Cost
$50000000 -
Low Earth Orbit
― -
Geostationary Transfer
Orbit
2300.0 kg -
Direct Geostationary
― -
Sun-Synchronous Capacity
4000.0 kg
Mitsubishi Heavy Industries
Commercial
President: Seiji Izumisawa
MHI 1884Mitsubishi Heavy Industries, Ltd. is a Japanese multinational engineering, electrical equipment and electronics company headquartered in Tokyo, Japan. MHI is one of the core companies of the Mitsubishi Group. MHI's products include aerospace components, air conditioners, aircraft, automotive components, forklift trucks, hydraulic equipment, machine tools, missiles, power generation equipment, printing machines, ships and space launch vehicles. Through its defense-related activities, it is the world's 23rd-largest defense contractor measured by 2011 defense revenues and the largest based in Japan.
Upcoming Spaceflights
H3-30 | IGS Optical Diversification 1
Mitsubishi Heavy Industries | JapanTanegashima Space Center, Japan
Status: To Be Determined
Mission:
The IGS Optical Diversification 1 is a Japanese optical reconnaissance satellite. The satellite is operated by the Cabinet Satellite Information Center. The satellite serves both Japan's national defense and civil natural disaster monitoring.
Sun-Synchronous OrbitH3-30 | IGS Optical 9
Mitsubishi Heavy Industries | JapanTanegashima Space Center, Japan
H3-30 | IGS Optical Diversification 2
Mitsubishi Heavy Industries | JapanTanegashima Space Center, Japan
Status: To Be Determined
Mission:
The IGS Optical Diversification 2 is a Japanese optical reconnaissance satellite. The satellite is operated by the Cabinet Satellite Information Center. The satellite serves both Japan's national defense and civil natural disaster monitoring.
Sun-Synchronous OrbitH3-30 | H3-30 Test Flight
Mitsubishi Heavy Industries | JapanTanegashima Space Center, Japan
Status: Launch Successful
Mission:
Test flight of the H3-30 variant of the H3 launch vehicle with 3 LE-9 engines in the first stage and no SRBs. The flight will carry a dummy main payload (Vehicle Evaluation Payload 5, VEP-5) and several hitchhiking small satellites: * PETREL * STARS-X * BRO-22 * VERTECS * HORN-L/R
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