Escape of asteroids from the Hecuba gap

Details Escape of asteroids from the Hecuba gap Escape of asteroids from the Hecuba gap

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997p%26ss...45.1587m&link_type=abstract

Planetary and Space Science, v. 45, p. 1587-1593.

Physics

12

Scientific paper

The dynamics of the 2/(1) mean-motion asteroidal resonance with Jupiter is studied by numerical integration of the equations of motion of the Sun-Jupiter-Saturn-asteroid system. The measurement of the fundamental asteroidal frequencies by means of Fourier and wavelet analyses allows us to construct the web of the secular, secondary and Kozai resonances inside the 2/(1)-resonance boundaries. The structure of the phase space of the 2/(1) resonance is discussed with emphasis on the acting depletion mechanisms due to presence of these inner resonances. Special attention is paid to the study of the middle-eccentricity depleted region. The importance of the great inequality of the Jupiter-Saturn system in the acceleration of the diffusion processes in this region is pointed out. The existence of a group of asteroids like (3789) Zhongguo, inside the 2/(1) resonance, is also discussed.

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