Uranus’ Moon System
Explore Uranus' 27 Moons!
Uranus is the 7th planet from the Sun with the 3rd highest number of moons, all of which are named after characters from the works of the playwright William Shakespeare and the poet Alexander Pope. Uranus' 27 moons are divided into 3 main groups, 13 inner moons, 5 major spherical moons and 9 irregular outer moons. The largest moon is called Titania, with a diameter of 1,578 km, was discovered in 1787 along with Oberon. The smaller Ariel and Umbriel were discovered in 1851 with the mysterious Miranda being discovered in 1948 and the remaining 22 moons were identified after 1985 when the Voyager 2 spacecraft flew by the Uranus system and from Earth-based telescopes.