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JAXA (& other Japanese) Launch and Discussion Thread


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9 minutes ago, SunlitZelkova said:

The same situation applies to ESA and the Canadian Space Agency as well. I wonder how that works.

At least for the first non-American on the moon I think we can safely say it won't be from the CSA, since as you said there will be one on Artemis II and it would look bad to give to the same agency both second around the moon and second on the lunar surface. That one is between JAXA and ESA

12 minutes ago, SunlitZelkova said:

How is SLS looking right now? Can we predict how many will be available in the 2020s?

As always with SLS, right now reaching a cadence of one per year would be amazing feat. I'd say 4 lunar landings in the 2020s, taking into account both SLS and HLS

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  • 1 month later...
On 12/30/2021 at 7:05 AM, Beccab said:

That one is between JAXA and ESA

I think a good arguement could be made either way.

I, personally, hope it's JAXA but ESA seems slightly more likely.

Interesting concept: https://aviationweek.com/aerospace/commercial-space/jaxa-sony-show-optical-internet-can-connect-satellites-uavs

And disappointing news: https://spacenews.com/japans-h3-rocket-further-delayed-by-engine-woes/

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https://english.kyodonews.net/news/2022/05/fab702e4b6a3-japan-us-to-cooperate-on-moon-landing-by-japanese-astronaut.html

US confirms it will land a Japanese astronaut on the Moon.

https://www.tellerreport.com/life/2022-05-20-astronaut-soichi-noguchi-to-retire-from-jaxa-the-number-of-days-spent-in-space-is-over-344-days-.r1QSvHTNv5.html

Noguchi Soichi will retire, making Crew-1 his final flight. It is unlikely he will return to space, as he will become a professor at Tokyo University.

Very old, but in case anyone didn't know- https://spacenews.com/japans-h3-rocket-further-delayed-by-engine-woes/

The H3's first flight has been delayed. "Hopefully no later than March 2023" is the new timeline.

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On 6/4/2022 at 6:09 AM, SunlitZelkova said:

The US will be sending a classic wheeled rover, China will be sending a crawler/jumper, and Japan will be sending a sphere as part of this decades lunar exploration :D

That thing is cool.

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https://phys.org/news/2022-06-asteroid-samples-chance-chemically-pristine.html

"These rocks have a similar chemical composition to what we measure from the sun and are thought to date back to the very beginnings of the solar system approximately four-and-a-half billion years ago—before the formation of the sun, the moon and Earth. [should Moon be capitalized to distinguish it from other moons?]"

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10 hours ago, NFUN said:

[should Moon be capitalized to distinguish it from other moons?]

Yes. Kind of like how Grand Central Station in NYC is capitalized even though there are other central stations that are grand.

A nice example of why you should read the full article at some point instead of reading the headline and thinking you are informed.

Edited by SunlitZelkova
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3 hours ago, SunlitZelkova said:

Yes. Kind of like how Grand Central Station in NYC is capitalized even though there are other central stations that are grand.

that was a quote from the article

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  • 2 months later...

OMOTENASHI and Equuleus are ready to go on SLS.

https://www3.nhk.or.jp/nhkworld/en/news/20220826_24/

OMOTENASHI will be Japan’s first lunar lander, utilizing a retrorocket and air bags to achieve a semi-hard landing at 20-30 m/s.

Equuleus features a unique propulsion system utilizing water as propellant. It will test flight maneuvers throughout the Earth-Moon system (apparently in support of future Gateway ops) and study the plasmasphere.

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  • 3 weeks later...

I bet there are reusability proposals lurking in the JAXA files that have not been released online ^_^

That graphic is slightly inaccurate as the text on the side of the rocket has since been changed from “Nippon” to “Japan”. It would be interesting to know why, I like Nippon better.

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19 minutes ago, SunlitZelkova said:

Two Mandalorians and Hera Syndulla checked out the MMX Phobos rover at the IAC.

The rover will be built by CNES and DLR. ESA is not involved.

Wait there's a ROVER?!?! I've heard nothing about that, how will they even store it on the probe?

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The first H3 flight article has undergone a static fire, appears to have been nominal.

Launch is scheduled for some time prior to the end of FY2022 (March 31st, 2023).

I did not realize the JAXA terminology for a static fire is Captive Firing Test. This is seen in some translated materials too, apparently.

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Here’s what happened with OMOTENASHI. After separation the signal was unstable, and they had trouble getting telemetry. When they finally did start getting information they found out the spacecraft was tumbling and the solar cells were not facing the sun. First they tried to stop the rotation, but then they realized the batteries were low and tried to orient the solar cells to face the sun. But by then the battery was low and then the transmitter turned off.

If the solar cells happen to end up in the direction of the sun, it could be saved as the transmitter will automatically turn on once the battery has enough charge. They are still hopeful and working on how to stop the rotation.

On the other hand, EQUULEUS is fine!

 

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Update on the lander; it's still dead and the team has tried looking for it's signal in other parts of the sky. If I had to guess the sat will be inactive for so long at this point it will be fried by the sun without cooling :( 

Worse still, they're about to miss the moon ;.;

 

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