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. It replaced the N-II and was subsequently replaced by the H-2 which has the same upper stages with a Japaense first stage.
Specifications
- Thrust
- —
- Height
- 42 m
- Diameter
- 2.44 m
- Launch mass
- 142 t
- Stages
- 3
- Launch cost
- —
- LEO capacity
- 3,200 kg
- GTO capacity
- 1,100 kg
- GEO capacity
- —
- SSO capacity
- —
Vehicle specifications from Launch Library; blanks are unpublished figures.
Flight record
Flights
9
Launches with a definitive outcome
Success rate
100%
9 of 9
Current success streak
9
Landings
0
0 attempts · 0 droneship / 0 RTLS
Fastest turnaround
—
Between consecutive booster flights
Counted from padside's own launch record — the same basis as the Stats page.
Launches
- H-1 | Fuyo 1 — Success
- H-1 | Yuri 3B — Success
- H-1 | Yuri 3A — Success
- H-1 | Momo 1b — Success
- H-1 | Himawari 4 — Success