Centaur (planetoid)

The centaurs are a class of icy planetoids named after the race of centaurs. Centaurs orbit the Sun between Jupiter and Neptune, crossing the orbits of the large gas giant planets. The first centaur to be discovered was 2060 Chiron in 1977, while the largest currently known is 10199 Chariklo discovered in 1997.
See more at Wikipedia.org...