Moon
Deimos
Moon of Mars
Smaller and outer moon of Mars
Photo: NASA/JPL/University of Arizona · Public domain · Wikimedia Commons
Deimos is the smaller and outer of the two natural satellites of Mars, the other being Phobos. Deimos has a mean radius of 6.2 km (3.9 mi) and takes 30.3 hours to orbit Mars. Deimos is 23,457.50 km (14,575.81 mi) from Mars, much farther than Mars's other moon, Phobos. It is named after Deimos, the Ancient Greek god and personification of dread and terror.
Description from Wikipedia (CC BY-SA 4.0).
Key facts
Distance
Orbits Mars
Orbits
Mars
Mean radius
6.27 km
Orbital period
1.26 days
Discovered
1877 · Asaph Hall
Orbits
Mars
