Deimos

Deimos is the smaller and outermost of the two natural satellites of Mars, the other being Phobos. Deimos has a mean radius of 6.2 km and takes 30.3 hours to orbit Mars. Deimos is 23,460 km from Mars, much farther than Mars' other moon, Phobos. 
Category:Moons
Category:Martian Moon
Category:C type
Category:Objects Not in Hydrostatic Equilibrium
Category:Objects with No Atmosphere
Category:Inner Solar System Object
Category:Prograde Satellite
Category:Named Moons
Category:Named Objects
Category:Numbered Moons
Category:Numbered Objects
Category:Objects Visited by Spacecraft