(24978) 1998 HJ151
Encyclopedia
, also written as 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
.
Cubewano
A classical Kuiper belt object, also called a cubewano is a low-eccentricity Kuiper belt object that orbits beyond Neptune and is not controlled by an orbital resonance with Neptune. Cubewanos have orbits with semi-major axes in the 40–50 AU range and, unlike Pluto, do not cross Neptune’s orbit...
. It has a perihelion (closest approach to the Sun
Sun
The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields...
) at 41.339 AU and an aphelion (farthest approach to the Sun
Sun
The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields...
) 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
David J. Tholen
David James Tholen is an American astronomer at the Institute for Astronomy of the University of Hawaii, who specializes in planetary and solar system astronomy.-Professional life:...
and David C. Jewitt
David C. Jewitt
David C. Jewitt is a professor of astronomy formerly at the University of Hawaii Institute for Astronomy, now at UCLA. He was born in 1958 in England, and is a 1979 graduate of the University of London. Jewitt received an M.Sc. and a Ph.D. in astronomy at the California Institute of Technology in...
.