Investigating the Dynamical History of the Solar System

Details Investigating the Dynamical History of the Solar System Investigating the Dynamical History of the Solar System

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21715610w&link_type=abstract

American Astronomical Society, AAS Meeting #217, #156.10; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

The current dynamical structure of the Kuiper belt was shaped by the evolution of giant planet orbits during the era of planet formation. Numerical models of this process, while reproducing many properties of the belt, have difficulty generating the high inclinations and eccentricities observed for some objects while maintaining a low eccentricity and low inclination "cold classical" population. We present a parameter study of the effect of different dynamical histories on orbits in the Kuiper belt using N-body simulations. In particular, we probe which combinations of migration, eccentricity damping, and inclination damping of Neptune over the history of the solar system allow the cold classical population to survive. This work is supported in part by the NSF REU and DOD ASSURE programs under NSF grant no. 0754568 and by the Smithsonian Institution.

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