Computer Science
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1246l&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1246
Computer Science
Scientific paper
Trojan objects can be dynamically stable over billions of years, implying that they carry precious information about the history of the solar system. We performed numerical simulations to investigate the origin and long term evolution of Trojans of the four giant planets. The results suggest all giant planets are able to capture and retain a significant population of Trojan objects from the primordial planetesimal disk after planet migration. In general, captured Trojans yielded a wide range of eccentricities and inclinations. The bulk of captured objects decay over Gyr providing an important source of new objects on unstable orbits. Our results suggest the bulk of observed Jovian and Neptunian Trojan populations are the survivors from a larger captured population, but their high-i component (>20°) remain unexplained so far.
Horner Jonathan
Sofia Lykawka Patryk
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