[X] My Assistant

[Toma B]

Oh my...
They have honored us with new update in english After 14 days!!!!

Thank you JAXA you are on good way to becoming as bad in "PR" as ESA...

[Phil Stooke]

following up on the Bob and Ed exchange about Surveyor 3, I am posting an image in the historic images thread showing the footpad imprints.

Phil

[RNeuhaus]

So, instead, the craft decided to abort by putting itself into "safe mode" and simply dropping to the surface (on its side) until it received that later ground command.

That phrase has convinced me the reason of not sampling dust since the Hayabusa was in "safe mode" that I didn't know about its consequences...

That is a good comment and it complements to my objections due to my lack good understanding about very complex problem that is caused from many factors that are out of control, missing of good engineering and software redundancies and testing. Now I see it much better.

I think this case has brought us a very good example since this case is a very unique and also as a good exercise to improve the design, plan and process for any future missions.

Rodolfo

[Bob Shaw]

I have a complete audio tape of the landing of Surveyor 1 off TV, I've wanted to hear the landing commentary and communications loop for 3 ever since.

I watched Surveyor 1 land - the BBC did a 5am broadcast, in those days something very special - and I simply couldn't believe it when a fuzzy picture flashed up a few minutes later with 'Live from the Moon' written across it. Of course, it could have well been shot before the mission and sent out with the press kit, for all the detail you saw! Still, happy days...

Bob Shaw

[Bob Shaw]

The JAXA Press Release says:

"From the data information that chemical engine repeated injection at constant frequency toward the specific direction for 30 minutes from 21:40 (WT), 6:40am (JST) to 22:10, 7:10am and measured distance by LRF was small enough and also the attitude was kept at steady angle, we know for sure that Hayabusa steadily maintained the attitude from the time of landing. As chemical engine was programmed to inject 15milli second per a second, when once landed, it could not overpower the gravity for taking off and changing attitude but jut kept injecting as long as allowed."

I read that as a fair amount of wasted RCS capability (a la NEAR on Eros), which may bode ill for a controlled return to Earth...

Bob Shaw

[RNeuhaus]

New update from
Hayabusa will try again on the 26th

Next attempt to land would be around 7:00 am JSP (around 5:00 pm in New York Time) but the final GO ON would be around 00:00 am JSP (around 10:00 am in New York Time)
The press would be open at 11:00 am JSP (around 9:00 pm in New York Time)

1) The Itokawa temperature was between 60-70 degree centigrades.
2) The probe is ok in everything except LFR which is going to be tested soon.
3) The software had 7 to 8 traps during the 19th to 20th landing. They will change some parameters to ensure the continuity of the sequence for the second touch down.
4) JAXA/ISAS believes the probe has landed near the upper left corner of the target marker picture, in the Muses Sea. There were no big obstacles there, so they are speculating whether the obstacle sensor was accidentally triggered by unexpected amount of light coming back from the surface of Itokawa.
5) JAXA does not want to disclose the amount of propellent to newsman.

Much more good details, click the below URL where there an extensive interview done by several newsmans
http://5thstar.air-nifty.com/blog/2005/11/

[ElkGroveDan]

...7am (in probe time) on the 26th...

Ok someone help me out here. What time is that in a recognizeable time zone? PST would be nice, but I'll settle on any EARTH time zone that I can calculate from.

[RNeuhaus]

Ok someone help me out here.  What time is that in a recognizeable time zone? PST would be nice, but I'll settle on any EARTH time zone that I can calculate from.

World Zone Times PST is 7 hours ahead than JSP (7:00 am JSP Nov 26 and 00:00 am in PST Nov 25)
World Present Time

Rodolfo

[mike]

JAXA didn't want to disclose the amount of remaining propellant? I suppose a little bit of suspense will make things that much more interesting..

[ElkGroveDan]

World Zone Times PST is 7 hours ahead than JSP (7:00 am JSP Nov 26 and 00:00 am in PST Nov 25)
World Present Time

Rodolfo

Thanks Rodolfo, but notice it said in "probe time". what does that mean? Who knows what time it is on an asteroid?

[odave]

I noticed that the blogger at 5thstar saw my Star Wars humor image up-thread. I have been awarded the "Zabuton 5 Mai" prize for "a great gag". Thank you very much, 5thstar, I shall wear the badge with honor!

[soramade]

MATSUURA L/D site:
The correction maneuver last night is confirmed all rigiht. Now Hayabusa is 5km far from Itokawa. The operation team is to try the second touchdown from 25th night to 26th morning JST.
Touchdown will occur at 7:00 26th JST , 22:00 25th UTC.

http://smatsu.air-nifty.com/lbyd/2005/11/2_8018.html

[akuo]

Looks like the descent is starting again! Follow these sites:

Hayabusa Live
5th Star Blog

[Ishigame]

Thanks Rodolfo, but notice it said in "probe time".  what does that mean?  Who knows what time it is on an asteroid?

It takes 15-20 minutes in one way to communicate with the explorer.
There are 300 million km distance between Earth and Hayabusa.

[Rakhir]

http://www.isas.jaxa.jp/home/hayabusa-live/

"An amulet for flight safety was put on the computer at the command room."



This attempt should be the good one.

Rakhir