J-I Launch Vehicle
J-I was a Japanese three-stage all-solid launch vehicle assembled from existing systems for rapid, lower-cost small-satellite launch development. It combined the H-II solid rocket booster developed by NASDA with upper-stage technology from ISAS's M-3SII; only the first vehicle flew before further development was suspended.
Identity
- Aliases
- J-1J IJ-Iロケット
- Family Name
- J-I
- Full Name
- J-I Launch Vehicle
- Reusability
- expendable
- Slug
- j-i-launch-vehicle
- Status
- retired
- Type
- rocket
Details
- Description
- J-I was a Japanese three-stage all-solid launch vehicle assembled from existing systems for rapid, lower-cost small-satellite launch development. It combined the H-II solid rocket booster developed by NASDA with upper-stage technology from ISAS's M-3SII; only the first vehicle flew before further development was suspended.
- Diameter M
- 1.8
- First Flight Year
- 1,996
- Height M
- 33.1
- Last Flight Year
- 1,996
- Liftoff Mass Kg
- 88,500
- Payload Capacity Kg
- Leo
- 1,000
- Stages Count
- 3
Links
Assets & Meta
- Creation Time
- 7/13/2026, 12:23:38 PM
- Updated Time
- 7/13/2026, 12:23:38 PM