Perturbations by Jupiter of a chain of objects moving in the orbit of Comet Oterma

Details Perturbations by Jupiter of a chain of objects moving in the orbit of Comet Oterma Perturbations by Jupiter of a chain of objects moving in the orbit of Comet Oterma

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a....99..262c&link_type=abstract

Astronomy and Astrophysics, vol. 99, no. 2, June 1981, p. 262-269.

Astronomy and Astrophysics

Astronomy

24

Comets, Jupiter (Planet), Orbit Perturbation, Planetary Evolution, Solar Orbits, Mathematical Models, Orbital Mechanics, Orbital Rendezvous, Planetary Gravitation, Jupiter, Perturbations, Comets, Orbits, Oterma Comet, Models, Particles, Trajectories, Capture, Aphelion, Perihelion, Distance, Astronomy, Data, Gravity Effects, Procedure, Data Reduction, Distribution, Simulations, Experiments, Computer Techniques, Theoretical Studies

Scientific paper

In a numerical computation model, a series of 80 test objects, uniformly spaced in mean anomaly, was allowed to move along a 9.5 arc of the pre-encounter orbit of Comet P/Oterma into the vicinity of Jupiter. The subsequent orbital evolution was computed for several decades or centuries, with emphasis on those objects retaining a moderate aphelion distance (down to 2.5 AU). This type is considered a potential candidate for further evolution, giving rise to orbits of the Encke, Apollo or Amor type. Results of the computation showed that after a Jovian encounter only a few test particles could remain in orbit of small aphelion distance for a long period of time, without reapproaching the planet: Otermas-2, -1, and -10. Moreover, the satellite capture of Oterma-15 was calculated to a duration of more than 100 years, on a highly inclined Jovicentric orbit (about 90 deg). It is thus considered that values of Delta M between 1.4 deg and 1.8 deg give the most favorable, although unstable, region for long-enduring satellite captures.

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