Analysis of perihelia of new comets

Details Analysis of perihelia of new comets Analysis of perihelia of new comets

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.235.1467s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 235, Dec. 15, 1988, p. 1467-1471.

Statistics

Computation

2

Comets, Computational Astrophysics, Orbital Mechanics, Perihelions, Eccentric Orbits, Orbital Elements, Spatial Distribution

Scientific paper

In the present study, Atanasijevic's (1971) method has been used to analyse the distribution of perihelia of 89 'new' comets. A similar analysis has also been carried out for all the 582 long-period comets with parabolic and nearly parabolic orbits (Marsden, 1982). In both of these analyses non-uniformity in the distribution is revealed for the planes of preference and avoidance. However, the distribution is found to be uniform in the third plane, lying between the above-mentioned two planes. As compared to the point of concentration of the perihelia of all the comets, the point of concentration of the perihelia of 'new' comets is found to be closer to the solar apex. Also the preferred plane of the perihelia of 'new' comets is nearer to the galactic plane. This implies the existence of a certain galactic influence on the original distribution of the perihelia of comets before they are perturbed by planets.

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