The solar system: the planets: planet Mars moons: Deimos

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Astronomy Magazine
< back to Planets Moon of Mars: Deimos

Planet Mars Moons: Deimos

Deimos is one of the moons (satellites) of the planet Mars.

For a listing of other moons, see Moons of the planets.






Deimos Moon Facts
Mass (kg) 1.8e+15
Radius (km) 7.5 x 6.1 x 5.5
Density (gm/cm3) 1.7
Distance from Mars (km) 23,460
Period of rotation (days) 1.26244
Period of orbit (days) 1.26244
Orbital velocity (km/sec) 1.36
Eccentricity of orbit 0.00
Inclination of orbit (°) 0.9-2.7
Escape velocity (km/sec) 0.0057
Visual albedo 0.07
Visual magnitude 12.40



This moon can be viewed in most telescopes.
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