(24978) 1998 HJ151, also written as (24978) 1998 HJ151, is a cubewano. It has a perihelion (closest approach to the Sun) at 41.339 AU and an aphelion (farthest approach to the Sun) at 45.889 AU. It has a diameter of about 139 km. It was discovered on April 28, 1998 by Jane X. Luu, Chadwick A. Trujillo, David J. Tholen and David C. Jewitt.
- ^ "MPEC 2009-R09 :Distant Minor Planets (2009 SEPT. 16.0 TT)". IAU Minor Planet Center. 4 September 2009. Retrieved 2009-10-04.
- ^ Marc W. Buie (12 May 2007). "Orbit Fit and Astrometric record for 24978". SwRI (Space Science Department). Retrieved 2009-10-04.
- ^ List of known trans-Neptunian objects