Asteroids in cometary orbits

Details Asteroids in cometary orbits Asteroids in cometary orbits

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icar...61..417h&link_type=abstract

Icarus (ISSN 0019-1035), vol. 61, March 1985, p. 417-442.

Computer Science

28

Asteroids, Orbital Mechanics, Solar Orbits, Amor Asteroid, Libration, Orbital Elements, Perihelions, Temporal Distribution, Asteroids, Comets, Orbits, Catalog, Three Body Problem, Evolution, Models, Comparisons, Asteroid 1983 Sa, Asteroid 1983 Xf, Amplitude, Asteroid 1984 Bc, Asteroid 1979 Va, Resonance, Librations, Motion, Oscillations, Period, Observations

Scientific paper

Orbital integrations are presented for a total of 14 asteroids with perihelia inside 1.7 AU and with aphelion distances in excess of 4 AU, 10 of which were discovered in 1979 - 1984. The integrations were normally extended over approximately ±1000 years in a three-body model (Sun-Jupiter-asteroid). A wide variety of orbital evolutions is found, and some of them evidently belong to the cometary, chaotic type. Three such cases are identified with certainty (1983 SA, 1983 XF, and 1984 BC). An asteroidal motion is found for the well-observed object 1979 VA. A stable libration around the 2/1 resonance is found for 1981 FD. A long-lasting libration around the 5/3 resonance performed by 1982 YA is probably unstable. Temporary librations are also found for 1983 SA (4/3 resonance) and 1983 XF (2/1 resonance).

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