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Oberon / ˈ oʊ b ər ɒ n /, also designated Uranus IV, is the outermost and second-largest major moon of the planet Uranus. It is the second-most massive of the Uranian moons , and the tenth-largest moon in the Solar System .
[a] The largest of the satellites, Titania, has a radius of 788.9 km, [21] or less than half that of the Moon, but slightly more than that of Rhea, the second-largest moon of Saturn, making Titania the eighth-largest moon in the Solar System. Uranus is about 10,000 times more massive than its moons. [b]
The largest of these may have a hydrostatic-equilibrium shape, but most are irregular. Most of the trans-Neptunian objects (TNOs) listed with a radius smaller than 200 km have " assumed sizes based on a generic albedo of 0.09" since they are too far away to directly measure their sizes with existing instruments.
Titania (/ t ə ˈ t ɑː n i ə, t ə ˈ t eɪ n i ə /), also designated Uranus III, is the largest moon of Uranus.At a diameter of 1,578 kilometres (981 mi) it is the eighth largest moon in the Solar System, with a surface area comparable to that of Australia.
Ursula is the second-largest impact crater known on Uranus's moon Titania.It is about 135 km across, and is cut by Belmont Chasma. [1] It is named after Hero's attendant in William Shakespeare's comedy Much Ado About Nothing; the name Ursula was officially adopted by the International Astronomical Union (IAU) in 1988.
Caliban / ˈ k æ l ɪ b æ n / is the second-largest retrograde irregular satellite of Uranus. [10] It was discovered on 6 September 1997 by Brett J. Gladman, Philip D. Nicholson, Joseph A. Burns, and John J. Kavelaars using the 200-inch Hale Telescope together with Sycorax and given the temporary designation S/1997 U 1.
Titan, the largest moon of the planet Saturn, is a masculine Greek moniker that means “powerful big man”—with a kind heart, of course. ... Rosalind, a moon of Uranus, is a feminine name of ...
Indeed, Oberon, the second-largest moon of Uranus, has almost the same size, but is significantly denser than Rhea (1.63 vs 1.24) and thus more massive, although Rhea is slightly larger by volume. [d] The surface area of the moon can be estimated at 7,330,000 square kilometres (2,830,000 sq mi), similar to Australia (7,688,287 km 2). [22] [b]