What is 31/Atlas? 31/Atlas is classified as a centaur, a celestial body that orbits between the gas giants and the Kuiper Belt. Discovered in 1989, it has garnered attention from astronomers and space enthusiasts alike. Its unique orbit spans an astonishing distance, from about 18 AU (Astronomical Units) at its closest to the Sun to over 30 AU at its farthest point. This range gives astronomers valuable insight into its characteristics and potential origins. The Discovery of