(33001) 1997 CU₂₉ is a cold classical Kuiper belt object, or cubewano. It has a perihelion at 41.6 AU and an aphelion of 45.1 AU. 1997 CU₂₉ is about 280 km in diameter. It was discovered on February 6, 1997, by David C. Jewitt, Jane X. Luu, Chad... Wikipedia