(24978) 1998 HJ151

, also written as (24978) 1998 HJ151, is a cubewano. It has a perihelion (closest approach to the Sun) of 41.339 AU and an aphelion (farthest approach to the Sun) of 45.889 AU. It has a diameter of about 139 km. It was discovered on 28 April 1998, by Jane X. Luu, Chadwick A. Trujillo, David J. Tholen and David C. Jewitt.