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H3-30 Test Flight
Test Flight
Mitsubishi Heavy Industries(MHI)CommercialH3-30
SSOorbit
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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Jun 10, 2026, 12:53 AM
Mission details
Orbital Attempt
#7,302
MHI Mission
#57
Pad Launch
#17
Location Launch
#98
Launch Window
NET
Jun 10, 2026, 12:53 AM
Precision
Second
Schedule Changes
2 updates
Schedule Updates
2 entries- Current scheduleCurrentMoved up 19d 23hApr 24, 2026, 6:34 AMJun 10, 2026, 12:53 AM(Second)GoWindow: 12:53 AM – 2:52 AM
- Initial scheduleApr 17, 2026, 5:52 AMJun 30, 2026, 12:00 AM(Quarter 2)TBD
Social Flight Log
H3-30 Specs
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.
Length
63 m
Diameter
5.27 m
Launch Mass
274 t
Thrust
4,413 kN
GTO Capacity
2,300 kg
SSO Capacity
4,000 kg
Launch Cost
$50M
Reusable
No
Total Launches
0
Successful
0
Failed
0
Consecutive Success
0
Mitsubishi Heavy Industries
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.
Founded
1884
Administrator
President: Seiji Izumisawa
Total Launches
56
Successful
54
Failed
2
Pending
9
Consecutive Success
0
Tanegashima Space Center, Japan
The Tanegashima Space Center is the largest rocket-launch complex in Japan. It is located on the southeastern tip of Tanegashima, an island located south of Kyushu, an island and region and Japan. It was established in 1969 when the National Space Development Agency of Japan (NASDA) was formed, and is now run by JAXA. The activities that take place at TNSC include assembly, testing, launching, and tracking satellites, as well as rocket engine firing tests.
Timezone
Asia/Tokyo
Local Launch Time
Jun 10, 2026, 9:53 AM
Total Launches
97
Total Landings
0
Coordinates
30.4000, 130.9700