Retired· Mitsubishi Heavy Industries

H-I

The H-1 was a Japanese liquid-fuelled carrier rocket, consisting of a license-produced American First Stage and set of booster rockets and all-Japanese upper stages.

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Launches

since Aug 1986

Success rate

100%

9 of 9 successful

In a row

successful launches

Launches per Year

Full year2026 so far

Specifications

Height: 42 m
Diameter: 2.44 m
Liftoff mass: 142 t
To low Earth orbit: 3,200 kg
To geostationary transfer: 1,100 kg
Stages: 2 to 3
First flight: August 12, 1986
Manufacturer: Mitsubishi Heavy Industries

Next Launches

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No launch is scheduled for this vehicle right now.

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