The camera imaged the moon on 26 November from a distance of 7700 km, during the closest part of the spacecraft’s orbit around Mars. TGO’s elliptical orbit currently takes it to within 230–310 km of the surface at its closest point and around 98 000 km at its furthest every 4.2 days.
To read more... http://www.esa.int/Our_Activities/Space_Science/ExoMars/ExoMars_orbiter_images_Phobos
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