This pages lists the 188 known moons of all the planets in our solar system. Every year or so new moons are discovered for the outer planets. 0 Moons for Mercury. 0 Moons for Venus. 1 Moon of Earth. Luna. 2 Moons of Mars. Deimos. Phobos. 0 Moons for Dwarf Ceres. 69 Moons of Jupiter (in order of size). read more
LARGEST MOON: GANYMEDE. Ganymede is larger than the planets Mercury and Pluto, and 2/3 the size of Mars. It would be considered a planet if it were orbiting the Sun instead of Jupiter. read more
Jupiter has a total of 67 moons, including the famous “Galilean moons” Io, Europa, Ganymede, and Callisto; Saturn has 62, of which Titan is the most massive and the most famous; Uranus has 27, all named after Shakespeare and Alexander Pope characters; and Neptune has 14, of which Triton is the most massive. read more
In effect, each orbits the other, forming a binary system informally referred to as a double-dwarf-planet. Pluto's four other moons, Nix, Hydra, Kerberos and Styx are far smaller and orbit the Pluto–Charon system. Among the other dwarf planets, Ceres has no known moons. read more