regular moons. With a diameter of over 150 kilometres (93 mi), it is the largest irregular moon of Uranus. It has been theorized that Sycorax is a captured...

Sycorax is a character mentioned though not seen in William Shakespeare's play The Tempest. Sycorax may also refer to: Sycorax (moon), a moon of Uranus...

Sycorax /ˈsɪkəræks/ is an unseen character in William Shakespeare's play The Tempest (1611). She is a vicious and powerful witch and the mother of Caliban...

planet without any known irregular moons until 1997, when astronomers using ground-based telescopes discovered Sycorax and Caliban. From 1999 to 2003, astronomers...

and John J. Kavelaars using the 200-inch Hale Telescope together with Sycorax and given the temporary designation S/1997 U 1. Designated Uranus XVI,...

satellite). Natural satellites are colloquially referred to as moons, a derivation from the Moon of Earth. In the Solar System, there are six planetary satellite...

of Jupiter, Phoebe of Saturn, Sycorax of Uranus, and Triton of Neptune. Triton is rather unusual for an irregular moon; if it is excluded, then Nereid...

see p. 9 of Smith & Baum, 1984. Largest irregular moons: Saturn's Phoebe (210 km), Uranus's Sycorax (160 km), and Jupiter's Himalia (140 km) Mass of Triton:...

but different from Sycorax (which is light red). A crater on Umbriel is also named after Setebos, but with the spelling Setibos. Moons of Uranus Irregular...

or moons. At least 19 of them are large enough to be gravitationally rounded; of these, all are covered by a crust of ice except for Earth's Moon and...