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JAXA+ | What if Japan had an unlimited space budget? (RSS/RO) | 2048-12-20 - Massive crewed missions to Venus, Mars, the Moon, and the asteroid belt! [VIDEO]


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Posted (edited)

 Reposting here for posterity (as to why I'm using nuclear thermal propulsion instead of electric, which would make more sense considering Japan's usage of it in the Hayabusa missions)

On 7/30/2022 at 11:34 AM, Beccab said:

Now I'm curious, has NASDA/JAXA ever published a design of a crewed mars lander/base? I've tried searching a bit for it on google to no avail, the furthest I got was finding a few lunar landers (and even then, it's one crew lander and one cargo lander)

On 7/30/2022 at 1:47 PM, SunlitZelkova said:

A search of “日本の有人火星着陸” (Japanese crewed Mars landing) yields nothing.


They would probably use an opposition class profile, to avoid a prolonged stay on the surface. If the Fukushima disaster still happens in any world you decide to use this in, nuclear power is likely out of the question. Lack of a reactor would probably not permit a prolonged surface stay.

If somehow Japan doesn’t develop a “nuclear power allergy”, nuclear electric propulsion would also be a possible choice. But NTRs are unlikely to be adopted, simply because Japan has more experience with ion propulsion.

5 hours ago, Pipcard said:

I was thinking of the same thing, too. But Japan has started to come back to nuclear power in spite of the Fukushima disaster.

I know that in reality, Japan would be more likely to use (low-thrust) electric propulsion over nuclear thermal, and was considering it for my Ceres mission, but from what I've read elsewhere, the Persistent Thrust mod isn't always reliable.

Edited by Pipcard
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