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GX (Galaxy Express)
GX (JAXA)
GX (Galaxy Express) was a NASDA sponsored project to replace the J-1 launcher, which has been proved to be too expensive. The GX rocket was be developed by an industry joint venture named Galaxy Express, consisting of Ishikawajima-Harima Heavy Industries (IHI) and Mitsubishi Heavy Industries. The first stage was consist of an Atlas-3 body with a Russian RD-180 engine (Kerosene / LOX). The second stage was to feature a new developed liquid fuel engine (Liquid Natural Gas / LOX).
Later the Atlas-3 stage was replace by an Atlas-5 first stage, before the project was cancelled.
| Version | Stage 1 | Stage 2 |
|---|---|---|
| GX | Atlas-3 / RD-180 | LNG-Engine |
| Performance (kg) | LEO | LPEO | SSO | GTO | GEO | MolO | IP |
|---|---|---|---|---|---|---|---|
| GX | 4400 | 2000 | - | - | - | - |
No: Serial: Type: Date: LS Payload
None
Cite this page:
- Krebs, Gunter D. “”. Gunter's Space Page. Retrieved March 05, 2025, from https://space.skyrocket.de/doc_lau/gx_2.htm Copy to clipboard
