Complex Dynamic Behavior of the Asteroid-2335 James Associated With the Secular Resonances Nu-5 and Nu-16 - Numerical-studies and Theoretical Interpretation
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AbstractA 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 nu-16. James is a 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 nu-5 secular resonance. The argument of perihelion omega-alternates between circulation and libration. A theoretical explanation for this complex behaviour is provided. In a Sun-Mars-Jupiter-Saturn model, close encounters of James with Mars occur without ejecting James from the nu-16 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.