2004 PR107, also written as 2004 PR107, is a large Kuiper belt object with an absolute magnitude of 4.6. Discovered on August 12, 2004, the 555 km wide object 2004 PR107 has not been observed since August 13 of the same year, and is currently lost, based on the limited observational data collected 2004 PR107 is considered to be a cubewano. Read more