(145452) 2005 RN43 also written as (145452) 2005 RN43 is a classical Kuiper belt object. It has an estimated diameter of 679+55−73 km. It was discovered by Andrew C. Becker Andrew W. Puckett and Jeremy M. Kubica on September 10 2005 at Apache Point Observatory in Sunspot New Mexico.Mike Brown’s website lists it as highly likely a dwarf planet.
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