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Encyclopedia > Mars > Satellites > Deimos

DEIMOS: SATELLITE II OF MARS



Credit : NASA

As Phobos, Deimos is much like an asteroid captured by Mars probably: it is essentially made ​​of carbon compounds and water.

Characteristics Values
Distance of Mars  23 460 km 
Average size  10x12x15 km 
Visual magnitude  12.7
Revolution period 1 day 6 hours
Orbital velocity 1.4 km/s
Inclination of the orbit of Mars' equator 1 to 3°
Orbit eccentricity 0.0002
Mass (Mars=1) 3/100000000
Density (water=1) 1.7
Escape velocity 6 m/s
Reflectivity (geometric albedo ) 0.07

Origin of name : click here.