Physics
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.250c.299s&link_type=abstract
In ESA, Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet. Volume 3: Posters p 299-301 (SEE N87-26714
Physics
Gravitation, Halley'S Comet, Orbit Calculation, Parameter Identification, Secular Variations, Equations Of Motion, Least Squares Method, Orbital Mechanics, Perihelions
Scientific paper
Applying a new method of using the observational material to the orbit improvement, the orbit of comet Halley was corrected and the equations of its motion were integrated in two variants. It is shown that the nongravitational effects influence very much the results of orbit correction which they are the input data for numerical integration. It was found that the secular variation of a nongravitational parameter, if included to the process of orbit improvement, could considerably change the results of prediction of the past perihelion times of the comet.
Sitarski Grzegorz
Ziolkowski Krzysztof
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