[meteorite-list] Kepler Crater As Seen By SMART-1

[Mark Abbott]

Ron,

Just curious. What's that small black dot in the upper right corner that
slowly drifts off the picture to the right over several shots?

Mark Abbott


Ron Baalke wrote:

>http://www.esa.int/esaSC/SEMBGLVT0PE_index_0.html
>
>Kepler Crater as seen by SMART-1
>European Space Agency 
>30 June 2006
>
>This animation, made from images taken by the advanced Moon Imaging
>Experiment (AMIE) on board ESA's SMART-1 spacecraft, shows Kepler crater
>on the Moon.
> 
>AMIE obtained this sequence on 13 January 2006 from a distance ranging
>between 1613 and 1702 kilometres from the surface, with a ground
>resolution between 146 and 154 metres per pixel.
>
>The imaged area is centred at a latitude of 37.8º South and longitude
>9.0º East. Kepler is a small young crater situated between Oceanus
>Procellarum and Mare Insularum. It has a diameter of 32 km and it is 2.6
>kilometres deep.
>
>Kepler displays a ray system that overlaps with rays from other craters
>and which extends over 300 kilometres. The outer wall shows a slightly
>polygonal shape. The interior walls of the crater are slumped and
>slightly terraced, and descend to an uneven floor and a minor central rise.
>
> 
> 
>[Anaglyph image of Kepler crater]
>
>This particular sequence of images demonstrates the so called 'tracking
>mode' of the SMART-1 spacecraft, used to track a fixed target when
>flying over it. While flying over Kepler, the clear filter of the camera
>was always pointed to the same position.
>
>To stay within the thermal constraints, the spacecraft had to change its
>roll during the images acquisition, thus the image is slightly rotated
>when passing from one frame to the next.
> 
>Thanks to the tracking mode it is possible to obtain information about
>the size and roughness properties of the soil. It also allows multiple
>stereo views of the target's topography.
>
>Kepler crater is named after Johannes Kepler (1571-1630), German
>astronomer known for his three laws of planetary motion.
>
> 
> 
>For more information
> 
>Jean-Luc Josset, SPACE-X Space Exploration Institute
>Email: jean-luc.josset @ space-x.ch
>
>Bernard H. Foing, ESA SMART-1 Project Scientist
>Email: bernard.foing @ esa.int
>
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