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TGO in orbit
post Nov 2 2016, 05:18 PM
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The latest and greatest on the plans for the CaSSIS imaging instrument:

After ExoMars TGO has reached its Mars Capture Orbit, the intention is to switch on CaSSIS in the week from November 21 to 28 and acquire images of Mars for the first time. A media release is planned on 1 December 2016 when ESA’s Ministerial Council is being held in Lucerne.


The highly elliptical orbit is not ideal. When we approach Mars, the orbital speed is much higher than in our science orbit and the timing will be difficult to get right. Our aim is to get something – we do our best – and learn from what we get.


When should the image be acquired, do we have enough time to rotate the instrument to get the 2nd half of a stereo pair, do we have enough time to get the data out of the instrument before the next image should be acquired? That planning process costs a lot of time and we don’t have many people to help do it. The hard part in MCO is that the speed over the surface at periapsis is much quicker than in the circular orbit so there is a good chance to mess it up.


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Phil Stooke
post Jun 29 2018, 06:32 AM
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Martian Cartographer

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Need a TGO-CASSIS image fix? There are 5 here:



... because the Solar System ain't gonna map itself.
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