The long-term motion of comet Halley

Details The long-term motion of comet Halley The long-term motion of comet Halley

Nov 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981mnras.197..633y&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 197, Nov. 1981, p. 633-646.

Astronomy and Astrophysics

Astronomy

56

Halley'S Comet, Orbit Calculation, Orbital Elements, Orbital Mechanics, Eccentricity, Long Term Effects, Numerical Integration, Orbit Perturbation, Perihelions, Planetocentric Coordinates, Mercury, Venus, Mars, Jupiter, Saturn, Comets, Halley Comet, Motion, Orbits, Perturbations, Gravity Effects, Outgassing, Water, Ice, Comet Nuclei, Perihelion, Eccentricity, Observations, History, Dynamics, Models, Spin, Axis, Data, Coordinates, Position (Location), Comparisons, Planets, Parameters

Scientific paper

The orbital motion of comet Halley is numerically integrated back to 1404 BC. Starting with an orbit based on the 1759, 1682, and 1607 observations of the comet, the integration was run back in time with full planetary perturbations and nongravitational forces taken into account at each 0.5 day time-step. Small empirical corrections were made to the computed perihelion passage time in 837 and to the osculating orbital eccentricity in 800. In nine cases, the perihelion passage times calculated by Kiang (1971) from Chinese observations have been redetermined, and osculating orbital elements are given at each apparition from 1910 back to 1404 BC.

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