(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. is about 280 km in diameter. It was discovered on February 6, 1997, by David C. Jewitt, Jane X. Luu, Chad Trujillo, and Jun Chen at the Mauna Kea Observatory, Hawaii.