Jupiter Trojans In The Nice Planetary Migration Model

Details Jupiter Trojans In The Nice Planetary Migration Model Jupiter Trojans In The Nice Planetary Migration Model

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006dps....38.6307s&link_type=abstract

American Astronomical Society, DPS meeting #38, #63.07; Bulletin of the American Astronomical Society, Vol. 38, p.611

Astronomy and Astrophysics

Astronomy

Scientific paper

The Nice migration model (Tsiganis et al., 2005, Nature 435,459) of the giant planets in the outer solar system implies the loss of original Jupiter Trojans and the later capture of new Trojans from the planetesimal population transported by the migrating outer planets to Jupiter's orbit (Morbidelli et al., 2005, Nature 435,462). We investigate in detail the loss of original Jupiter Trojans during the first phase of migration right after Jupiter and Saturn's crossing of their mutual 2:1 mean motion resonance. A major secular resonance involving the frequencies of Jupiter and Saturn's longitudes of perihelia and secondary resonances deplete the original Trojan region. The destabilizing perihelion secular resonance and secondary resonances disappear while Jupiter and Saturn move away from the 2:1 resonance allowing the long term stability of the latest captured Jupiter Trojans.

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