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Mars II

Proper NameDeimos
DesignationMars II
Primary PlanetMars
Orbital Period1 day, 6 hours
Distance from MarsSemi-Major Axis: 23,463 km
Periapsis: 23,455 km
Apoapsis: 23,471 km
Rotation Period1 day, 6 hours (synchronous)
Mean Diameter6.2 km
3.9 miles
NotesDeimos is a tiny object, only about a third the size of its fellow Martian moon Phobos. It pursues a more distant orbit than Phobos, circling Mars at more than twice the distance of the larger moon.


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