H3 Test Flight 2
H3-22
Mitsubishi Heavy Industries
Mission
H3 Test Flight 2
Type: Test Flight
Launch Cost: $50,000,000
New test flight of the H3 ordered following the failure of the inaugural launch of H3 in March 2023 with ALOS-3. Dummy payload will be carried instead, with possible opportunities of secondary payloads being considered.
Trajectory
The trajectory is unavailable. Check back for updates.

Rocket
H3-22 – Mitsubishi Heavy Industries
- Family: H3
- Length: 63 m
- Diameter: 5.27 m
The H3-22 was manufactured by Mitsubishi Heavy Industries with the first launch on 2023-03-07. H3-22 has 0 successful launches and 1 failed launches with a total of 1 launches. The H3 Launch Vehicle is a Japanese expendable launch system.
Each H3 booster configuration has a two-digit and a letter designation that indicates the features of that configuration. The first digit represents the number of LE-9 engines on the main stage, either “2” or “3”. The second digit indicates the number of SRB-3 solid rocket boosters attached to the base of the rocket, and can be “0”, “2” or “4”. All layouts of solid boosters are symmetrical. The letter in the end shows the length of the payload fairing, either short “S” or long “L”. For example, an H3-24L has two engines, four solid rocket boosters, and a long fairing, whereas an H3-30S has three engines, no solid rocket boosters, and a short fairing.
Agency
Mitsubishi Heavy Industries – MHI
- Type: Commercial
- Abbreviation: MHI
- Administration: President: Seiji Izumisawa
- Founded: 1884
- Launchers: H-I, H-II, H-III
- Spacecraft: Kounotori | HTV
- Country: JPN
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.