Trinculo (moon)
Trinculo, also known as Uranus XXI and previously as S/2001 U 1, is a small irregular moon of Uranus on a very wide and elliptical orbit. It was discovered on 13 August 2001 by Matthew J. Holman, JJ Kavelaars, and Dan Milisavljevic using the 4.0-meter Víctor M. Blanco Telescope at Cerro Tololo Observatory, Chile.