Mathematics
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acm..proc..381m&link_type=abstract
In Lunar and Planetary Inst., Asteroids, Comets, Meteors 1991 p 381-384 (SEE N93-19113 06-90)
Mathematics
Comets, Orbital Mechanics, Solar Orbits, Encounters, Mathematical Models, Neptune (Planet), Planetary Mass, Uranus (Planet)
Scientific paper
Numerical integrations of fictitious objects are carried out in order to elucidate the dynamical behavior of potential short-period comets when they move in orbits at distances from the Sun comparable to those of Uranus and Neptune. As in the case of observed short-period comets, close encounters with the planets play a major role for the orbital evolution, and this is especially true for encounters with initial orbits nearly tangent to that of the planet. A comparison with integrations in which the planetary masses are larger by a factor 10 shows that, in the latter case, the orbital evolution is greatly accelerated, but the dynamical paths in phase space followed by the comets are altered.
Manara Allesandro
Valsecchi Giovanni B.
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