Thank you very much for visiting Gunter's Space Page. I hope that this site is useful and informative for you.
If you appreciate the information provided on this site, please consider supporting my work by making a simple and secure donation via PayPal. Please help to run the website and keep everything free of charge. Thank you very much.
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
