Orbital launch vehicle
H-II
The H-II rocket was a Japanese satellite launch system which flew seven times between 1994 and 1999 with 5 successes. It was developed by NASDA in order to give Japan a capability to launch larger satellites in the 1990s. It was the first two stage liquid fuelled rocket Japan made using only domestic technologies.
Flights flown7
Success rate85.7%6/7
Payload to LEO10,060kg
Maiden flight1994-02-03
Peak year19942 flights
H-II is built by Mitsubishi Heavy Industries of Japan. It first flew on 3 February 1994 and last flew on 15 November 1999.
Flight record
85.7% success rate6 of 7 flown · 1 failed
1994peak 1994 · 2 flights1999
First flight1994-02-03
Latest flight1999-11-15
Failures1
Consecutive successes0
Fastest turnaround85d 10h
Payload
| Low Earth orbit | 10,060kg |
|---|---|
| Geostationary transfer orbit | 3,930kg |
Vehicle
| Stages | 2 |
|---|---|
| Length | 49m |
| Diameter | 4m |
| Launch mass | 260t |
| Maiden flight | 1994-02-03 |
| Reusable | No |
Pads used
Orbits delivered
Low Earth Orbit4Geostationary Orbit3
Launch history
| Date | Mission | Pad | Orbit | Outcome |
|---|---|---|---|---|
| 1999-11-15 | H-II | MTSAT | Yoshinobu Launch Complex LP-1 | Geostationary Orbit | Failure |
| 1998-02-21 | H-II | Kakehashi | Yoshinobu Launch Complex LP-1 | Geostationary Orbit | Success |
| 1997-11-27 | H-II | TRMM & ETS 7 | Yoshinobu Launch Complex LP-1 | Low Earth Orbit | Success |
| 1996-08-17 | H-II | Midori | Yoshinobu Launch Complex LP-1 | Low Earth Orbit | Success |
| 1995-03-18 | H-II | SFU & Himawari 5 | Yoshinobu Launch Complex LP-1 | Low Earth Orbit | Success |
| 1994-08-28 | H-II | Kiku-6 | Yoshinobu Launch Complex LP-1 | Geostationary Orbit | Success |
| 1994-02-03 | H-II | Myojo & Ryusei | Yoshinobu Launch Complex LP-1 | Low Earth Orbit | Success |
Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.
Further reading: Wikipedia