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.
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