The origin of TNO 2004 XR190 as a primordial scattered object

Details The origin of TNO 2004 XR190 as a primordial scattered object The origin of TNO 2004 XR190 as a primordial scattered object

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011icar..215..661g&link_type=abstract

Icarus, Volume 215, Issue 2, p. 661-668.

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Scientific paper

Numerical integrations of the equations of motion of the giant planets and scattering particles show that there is a possible orbital itinerary that a particle may follow from a scattering mode up to a stable position near the orbit of 2004 XR190. This orbital evolution requires that the particle gets trapped in a mean motion resonance with Neptune coupled with the Kozai resonance. Imposing migration on Neptune while a particle is experiencing both resonances can entail an escape from resonance at a low particle's eccentricity. This eccentricity and the associated inclination are always similar to those of 2004 XR190. I conclude that 2004 XR190 was most likely a scattered object that went through those resonance processes and was eventually deposited at its current position. By the same argument, it is expected that there must exist several other objects with similar semimajor axis, eccentricity and inclination as those of 2004 XR190.

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