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Proper Name	Deimos
Designation	Mars II
Primary Planet	Mars
Orbital Period	1 day, 6 hours
Distance from Mars	Semi-Major Axis: 23,463 km Periapsis: 23,455 km Apoapsis: 23,471 km
Eccentricity	0.0003
Rotation Period	1 day, 6 hours (synchronous)
Mean Diameter	6.2 km 3.9 miles
Notes	Deimos 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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