The seventh planet from the sun is Uranus. Uranus has at least 15 Satellites. Some of them are Ariel, Belinda, Cordelia, Cressida, Desdemona, Juliet, Miranda, Oberon, Ophelia, Portia, Puck, Rosalind, Titania, and Umbriel. Uranus is the third largest planet in the solar system. It takes it 84.01 Earth years to orbit the sun! Uranus's day is about 17 hours and 14 minutes. It was discovered by William Herschel in 1781! William Herschel also discovered Uranus's two largest moons Titania and Oberon. Uranus is about 2.87 billion kilometers from the sun.