CE-2 flyby of Toutatis |
CE-2 flyby of Toutatis |
Aug 25 2012, 04:27 PM
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#1
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Senior Member Group: Members Posts: 1729 Joined: 3-August 06 From: 43° 35' 53" N 1° 26' 35" E Member No.: 1004 |
I thought it was time to split the subject from the Moon forum.
Admins, can you move the relevant messages here? anyway, just out: an interesting blog article by Bill Gray explaining how he recovered the probe and how he computed the orbit yielding the 13 December flyby date Chang'e 2: The Full Story |
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Dec 16 2012, 03:24 PM
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#2
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Solar System Cartographer Group: Members Posts: 10229 Joined: 5-April 05 From: Canada Member No.: 227 |
"beside basic shape and topography, what can be extracted from this kind of webcam-like, probably uncalibrated images? not much I suspect."
Basic shape and topography tell us a lot - geological history, surface age from crater counts, redistribution of regolith by downslope processes, existence or not of 'ponds' as on Eros or smooth plains areas on Itokawa, hints of internal structure such as fractures or rubble-pile structure. The literature on small bodies extracts a great deal from images like these. Even without the big scanning camera, the close images from the smaller camera(s) will give us great details for many kinds of analysis. Phil -------------------- ... because the Solar System ain't gonna map itself.
Also to be found posting similar content on https://mastodon.social/@PhilStooke Maps for download (free PDF: https://upload.wikimedia.org/wikipedia/comm...Cartography.pdf NOTE: everything created by me which I post on UMSF is considered to be in the public domain (NOT CC, public domain) |
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Dec 17 2012, 09:39 AM
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#3
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Senior Member Group: Members Posts: 1729 Joined: 3-August 06 From: 43° 35' 53" N 1° 26' 35" E Member No.: 1004 |
Even without the big scanning camera, the close images from the smaller camera(s) will give us great details for many kinds of analysis. thanks everyone. as I said, I didn't mean to belittle the achievement, I was merely trying to get an idea of what could be extracted (beside ooohs and wows) from images by a camera not meant for science. according to JPL experts it may even be possible to get some info on the mass of Toutatis from tracking data. http://www.skyandtelescope.com/news/home/T...-183673171.html |
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