Mechanisms of Asteroid Transport.

Details Mechanisms of Asteroid Transport. Mechanisms of Asteroid Transport.

Nov 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ala..conf..117f&link_type=abstract

Astronomy in Latin America, Second Meeting on Astrometry in Latin America and Third Brazilian Meeting on Fundamental Astronomy,

Astronomy and Astrophysics

Astronomy

Scientific paper

Through numerical simulations we can explore the dynamical behaviour of planetesimals in the region between Uranus and Neptune, which are found in the three-body mean motion resonance. The resonances are analyzed using samples of 400 particles with negligible mass, which have, in principle, a Gaussian distribution around the critical semimajor axis. The spatial problem of Sun-Uranus-Particle-Neptune is considered. The system motion equations are integrated in the 500,000 years interval. We study the fictitious particles escape conditions in the region between Uranus and Neptune. The temporal evolution of the resonance variables and the orbital elements are studied too. We find that the zone we are studying is very sensible to gravitational perturbations. This is the reason for changes and irregularities in the test particles orbital elements, and in the most of cases they became crossers of Neptune and Uranus orbits. The resonances that we analyze play an important roll in the asteroid transfer.

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