H3-30

Active

Mitsubishi Heavy Industries (MHI)

None

Description

The H3 Launch Vehicle is an expendable launch system in development in Japan. 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 1884

Mitsubishi 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 | H3-30 Test Flight

Mitsubishi Heavy Industries | Japan
Tanegashima Space Center, Japan
June 10, 2026, 12:53 a.m.
Status: Go for Launch
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

Sun-Synchronous Orbit
Explore Share

Angara 1.2
Success
1 day, 4 hours ago
Kosmos (Unknown Payload)
35/1 - Plesetsk Cosmodrome, Russian Federation

Unknown satellite(s) for the Russian military.


Falcon 9
Success
1 day, 9 hours ago
Starlink Group 17-14
Space Launch Complex 4E - Vandenberg SFB, CA, USA

A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Electron
Success
1 day, 10 hours ago
Kakushin Rising (JAXA Rideshare)
Rocket Lab Launch Complex 1A - Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand

JAXA-manifested rideshare of eight separate spacecraft that includes educational small sats, an ocean monitoring satellite, a demonstration satellite…


Electron
Success
2 days, 11 hours ago
Bubbles
Rocket Lab Launch Complex 2 (Launch Area 0 C) - Wallops Flight Facility, Virginia, USA

Sub-orbital launch under Rocket Lab’s Hypersonic Accelerator Suborbital Test Electron (HASTE) program, details TBD.


Falcon 9
Success
3 days, 6 hours ago
GPS III SV10
Space Launch Complex 40 - Cape Canaveral SFS, FL, USA

Tenth of ten GPS III missions.