H-II
RetiredMitsubishi Heavy Industries · 2-stage orbital rocket · Part of the H2 family
Total Launches
7
Success Rate
85.7%
Payload to LEO
10.1 t
First Flight
1994
Reusable
No
Specifications
Height49 m
Diameter4 m
Wet Mass260,000 kg
Payload to GTO3.9 t
Payload to SSON/A
ManufacturerMitsubishi Heavy Industries
CountryJapan
Engines Used
Engine usage data lives in the Engine Dashboard.
Launch History
Reliability by Year
Related Entities
Data Sources for This Record
Specifications
GCAT / Wikipedia · verified quarterly
Launch History
LL2 API · updated every 6h
Engine Data
Manufacturer + Wikidata