The Solar System The solar system consists of the sun, the nine planets and their moons, and other small bodies, including the asteroids and comets. Many of the planets are also orbited by one or more moons. The Nine Planets The nine planets, in order of their distance from the sun are as follows: 1. Mercury * Average Distance from Sun - 57,909,175 km * No moons 2. Venus * Average Distance from Sun - 108,208,930 km * No moons 3. Earth * Average Distance from Sun - 149,597,890 km * Moon - the moon 4. Mars * Average Distance from Sun - 227,936,640 km * Phobos, Deimos 5. Jupiter * Average Distance from Sun - 778,412,020 km * Four largest moons (out of 64) - Ganymede, Callisto, Io, Europa 6. Saturn * Average Distance from Sun - 1,426,725,400 km * Seven largest moons (out of 31) - Titan, Rhea, Iapetus, Dione, Tethys, Enceladus, Mimas 7. Uranus * Average Distance from Sun - 2,870,972,200 km * Five largest moons (out of 26) - Miranda, Titania, Oberon, Umbriel, Ariel 8. Neptune * Average Distance from Sun - 4,498,252,900 km * Moons - Naiad, Thalassa, Despina, Galatea, Larissa, Proteus, Triton, Nereid (out of 13) 9. Pluto * Average Distance from Sun - 5,906,376,200 km * Moon - Charon