View a pdf of the (original but now redirected to here) UBtheNEWS.com presentation of this research page.
Retrograde motion in the solar system
See Paper 57: The Origin of Urantia, Section 5. Origin of Monmatia—The Urantia Solar System
See Monthly Notices of the Royal Astronomical Society: Letters, Volume 477, Issue 1, 11 June 2018, Pages L117–L121: An interstellar origin for Jupiter’s retrograde co-orbital asteroid
See Wikipedia: (514107) 2015 BZ509.