Complex dynamical behaviour of the asteroid 2335 James associated with the secular resonances nu5 and nu16 - Numerical studies and theoretical interpretation

Details Complex dynamical behaviour of the asteroid 2335 James associated with the secular resonances nu5 and nu16 - Numerical studies and theoretical interpretation Complex dynamical behaviour of the asteroid 2335 James associated with the secular resonances nu5 and nu16 - Numerical studies and theoretical interpretation

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...249..553f&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 249, no. 2, Sept. 1991, p. 553-563.

Statistics

Computation

5

Asteroids, Celestial Mechanics, Computational Astrophysics, Orbital Resonances (Celestial Mechanics), Secular Variations, Astronomical Models, Eccentricity, Lagrangian Equilibrium Points, Libration, Many Body Problem

Scientific paper

A forwards integration in the frame of the sun-Jupiter-Saturn model over 1 Myr shows that the asteroid 2335 James is located in the secular resonance nu16 James is an omega-librator during the whole period. A complex orbital evolution appears in a backwards integration over 5 Myr: James is temporarily located also in the nu5 secular resonance. The argument of perihelion omega alternates between circulation and libration. A theoretical explanation for this complex behavior is provided. In a sun-Mars-Jupiter-Saturn model, close encounters of James with Mars occur without ejecting James from the nu16 resonance region. The integration of a cloud of test objects surrounding the orbit of James confirms the chaotic nature of this resonance region as indicated by theory.

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