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Philae landing on the nucleus of Comet 67P C-G
jmknapp
post Nov 14 2014, 08:22 PM
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Hopefully it just means that they had to scale back their activities due to the power budget.


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kenny
post Nov 14 2014, 08:45 PM
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QUOTE (Jorn Barger @ Nov 14 2014, 06:27 PM) *
Here's the (rotated) relevant bit of search area from: https://www.flickr.com/photos/europeanspace...cy/15549511085/

(the end of the 'ridge' enters from the lower left)

[attachment=34300:lost2.jpg]


This is nice, but I think the main candidate landing site is out of this picture, outside the lower Right corner?
See your (Jorn Barger) "bounce diagram" with red arrow, Post # 511.
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Spin0
post Nov 14 2014, 08:50 PM
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I don't know if it's of much help in locating Philae but the lander's magnetometer ROMAP recorded the touchdown events with clear spikes in the data:
http://www.igep.tu-bs.de/forschung/weltrau...a/comet_en.html
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Holder of the Tw...
post Nov 14 2014, 09:13 PM
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I'm wondering if the second bounce wasn't flying into a cliff and dropping from there?
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Jorn Barger
post Nov 14 2014, 09:25 PM
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QUOTE (kenny @ Nov 14 2014, 02:45 PM) *
This is nice, but I think the main candidate landing site is out of this picture, outside the lower Right corner?
See your (Jorn Barger) "bounce diagram" with red arrow, Post # 511.


Yes, the original only caught the right half of the red ellipse, but the resolution is great for that half
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Explorer1
post Nov 14 2014, 09:42 PM
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NAVCAM got the bounce mark at the target landing site:
http://blogs.esa.int/rosetta/2014/11/14/ph...een-by-rosetta/

It will look great with OSIRIS for sure....
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climber
post Nov 14 2014, 10:05 PM
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Is that the whole image? If not, a larger view would probably show Philae before landing since he was only 250m from there and/or after bouncing since second image was taken less than 2 minutes after touchdown.


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Astro0
post Nov 14 2014, 10:12 PM
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I think a key quote from the Rosetta blog post on this set of images is this:

"With thanks to Emily Lakdawalla of the Planetary Society for helping with the image processing."

Go Emily! smile.gif
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Gerald
post Nov 14 2014, 10:15 PM
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So close after contact, Philae might still be visible in the cropped second image.
Marked a candidate, distinct from pixel errors:
Attached Image

Credit: ESA/Rosetta/NAVCAM, CC BY-SA IGO 3.0
modified by "Gerald"

Just a few days as guest at ESOC, already in the team; great, Emily! smile.gif
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Marvin
post Nov 14 2014, 10:21 PM
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There's buzz on the internet that a hop to move Philae is planned. Will they or wont they?

http://www.theguardian.com/science/2014/no...ander-hop-comet
http://news.discovery.com/space/philae-to-...ival-141114.htm
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Starline
post Nov 14 2014, 10:25 PM
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QUOTE (Marvin @ Nov 14 2014, 11:21 PM) *
There's buzz on the internet that a hop to move Philae is planned. Will they or wont they?

http://www.theguardian.com/science/2014/no...ander-hop-comet
http://news.discovery.com/space/philae-to-...ival-141114.htm


Seems only turning for now

Turning Philae
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elakdawalla
post Nov 14 2014, 10:26 PM
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Well spotted. I didn't notice that. now I wonder if bright spot is Philae and dark spot its shadow.
Attached thumbnail(s)
Attached Image
 


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ugordan
post Nov 14 2014, 10:28 PM
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QUOTE (Gerald @ Nov 14 2014, 11:15 PM) *
So close after contact, Philae might still be visible in the cropped second image.
Marked a candidate, distinct from pixel errors:


I would expect the lander to be brighter than comet material, not darker. Unless it happened to be out of the frame at the time of the 2nd image (the lower left edge does suggest the navcam might not have been centered on the landing point?), it ought to be visible somewhere, given that it should have been less than 50m above the surface during the bounce.


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MarsInMyLifetime
post Nov 14 2014, 10:28 PM
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Edit: what Emily said.


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warddw
post Nov 14 2014, 10:29 PM
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They have a signal from the lander on this pass...

https://twitter.com/elakdawalla

Question is given battery state will it last the full pass... iffy....they said 20 watt margin was all that was left in the batteries earlier - primary secondary and solar are all tied but it can't have much power left..
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