10199 Chariklo is the largest confirmed centaur known (measuring at 232 km in diameter). It orbits the Sun between Saturn and Uranus, grazing the orbit of Uranus. On 2014-Mar-26, astronomers announced the discovery of two rings around Chariklo by observing a stellar occultation, making it the first minor planet known to have rings. Due to its size, it is classified as a dwarf planet candidate (according to Mike Brown)
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