Titania (moon) numerals, and since then Titania has been designated '. Shakespeare's character's name is pronounced , but the moon is often pronounced , by analogy with the familiar chemical element titanium. The adjectival form, "Titanian", is homonymous with that of Saturn's moon Titan. The name "Titania" is ancient Greek in origin, meaning "Daughter of the Titans". Titania orbits Uranus at the distance of about , being the second farthest from the planet among its five major moons. Titania's orbit has a small eccentricity and is inclined very little relative to the equator of Uranus. Its orbital period is around 8.7 days,
Galilean moons Galilean moons The Galilean moons are the four largest moons of Jupiter—Io, Europa, Ganymede, and Callisto. They were first seen by Galileo Galilei in January 1610, and recognized by him as satellites of Jupiter in March 1610. They were the first objects found to orbit another planet. Their names derive from the lovers of Zeus. They are among the largest objects in the Solar System with the exception of the Sun and the eight planets, with a radius larger than any of the dwarf planets. Ganymede is the largest moon in the Solar System, and is even bigger than the