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Electronic Catalogue of Comets "Halley"
Yu. S. Bondarenko
Institute of Applied Astronomy of RAS, St. Petersburg, Russia
Abstract:
In this paper we give a description of the Electronic Catalogue
of Comets "Halley", which makes it possible to calculate the evolution
of the orbits of comets, to visualize orbital motion, to determine
the circumstances of a comet's close approach to planets within
a given time interval, as well as a number of other opportunities.
The database of cometary orbits contains elements of short-period comets,
calculated with the original method developed at the IAA RAS for constructing
numerical theories of comet motion, covering large intervals of time.
It involves the determination of individual values of the constants Α1, Α2, Α3 (radial, transverse,
and normal components of non-gravitational acceleration according to Marsden's model [1])
and the displacement of the photocenter for each apparition.
Key words:
Very Long Baseline Interferometry (VLBI), Near Earth Objects (NEOs), Electronic Catalogue of Comets "Halley", evolution of the orbits of comets, to visualize orbital motion, circumstances of a comet's close approach to planets, the IAA RAS database of cometary orbits, short-period comets, numerical theories of comet motion, Marsden's model, radial component of non-gravitational acceleration, transverse component of non-gravitational acceleration, normal component of non-gravitational acceleration, displacement of the photocenter.