H3 / launch vehicle
sourcingtypical 4/5 · 16 factsmedium-lift launch vehicleJPNactive
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.
key specs
faq
Who builds H3?
H3 is built by Mitsubishi Heavy Industries. (source, as of 2026-07-05)
How many times has H3 flown?
H3 has flown 8 times. (source, as of 2026-07-05)
When did H3 first fly?
H3 first flew on 2023-03-07. (source, as of 2026-07-05)
Is H3 reusable?
H3 is not reusable. (source, as of 2026-07-05)
facts
providerMitsubishi Heavy Industries
countryJPN
classmedium-lift launch vehicle
payload to LEO (kg)16000
reusableno
first flight2023-03-07
flights total8
flights successful6
last flight2025-12-22
next flight2026-08-06
statusactive
price per launch (USD)50000000
payload to GTO (kg)6500
height (m)63
diameter (m)5.27
mass (kg)574000
events
sources
[1] ll.thespacedevs.com ↗
provider2026-07-05country2026-07-05reusable2026-07-05first flight2026-07-05last flight2026-07-05next flight2026-07-05status2026-07-05price per launch (USD)2026-07-05payload to GTO (kg)2026-07-08height (m)2026-07-08diameter (m)2026-07-08mass (kg)2026-07-08
[2] en.wikipedia.org ↗
classwikipedia2026-07-05payload to LEO (kg)wikipedia2026-07-05flights totalwikipedia2026-07-05flights successfulwikipedia2026-07-05