Phobos storlek published 8 December NASA's Mars Reconnaissance Orbiter took this image of the larger of Mars' two moons, Phobos, from a distance of about 6, kilometers (about 4, miles). (Image. 1 deimos 2 Phobos is one of two very small satellites of the planet Mars. It was discovered along with its smaller companion, Deimos, by Asaph Hall at the Naval Observatory in Washington DC in August The moons are named after the children of the Greek god Ares - who, like the Roman Mars, is the god of war. Deimos means 'terror' or 'panic' and Phobos. 3 Phobos (måne) 4 Phobos, the km diameter innermost moon of Mars, is a groovy body. Unlike its little brother Deimos, Phobos has developed a striking pattern of parallel linear features running across its surface. 5 Phobos is just byby miles in diameter, while Deimos is a puny 9-byby miles in size. What Are Phobos and Deimos Like? Phobos and Deimos are made out of what NASA designates as. 6 Phobos (one of Mars' moons) has the following dimensions: 27 × 22 × 18 km. It has low mass, and little or no gravity/atmosphere. Let's just assume that it's possible to walk around on Phobos without dying or getting hurt. With it being so small, you should be able to just walk to one of the edges of Phobos. 7 vad består phobos av 8 Fysikaliska data. 9 26,8×21×18,4 km. 10