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orbit: 23,459 km from Mars
diameter: 12.6 km (15 x 12.2 x 11)
mass: 1.8e15 kg
In Greek mythology, Deimos is one of the sons of Ares (Mars)
and Aphrodite (Venus); "deimos" is Greek for "panic".
Discovered 1877 August 10 by Hall, photographed by Viking 1 in 1977.
Deimos and Phobos are composed of carbon-rich
rock like C-type asteroids and ice.
Both are heavily cratered.
Deimos and Phobos are probably asteroids perturbed by Jupiter into orbits that allowed them to be captured by Mars.
... Mars
... Phobos
... Deimos
... Jupiter
... 
