Meteoroid Stream Searching: The Use of the Vectorial Elements

Details Meteoroid Stream Searching: The Use of the Vectorial Elements Meteoroid Stream Searching: The Use of the Vectorial Elements

Jun 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008em%26p..102...73j&link_type=abstract

Earth, Moon, and Planets, Volume 102, Issue 1-4, pp. 73-78

Computer Science

6

Meteoroids, Meteoroid Streams, Methods: Data Analysis

Scientific paper

In this initial study, we propose a new distance function D V involving heliocentric vectorial orbital elements. The function measures differences between: the orbital energies, the angular momentums vectors and the Laplace vectors. In comparison with the widely used D SH criterion of Southworth and Hawkins, D D criterion of Drummond and their hybrid D H by Jopek, the new function contains one invariant with respect to the principal secular perturbation: the orbital energy. The new function proved to be useful in the classification amongst the IAU2003 meteoroids which we searched for streams by D V function and also using D SH and D N -function given by Valsecchi et al. For major streams, the results agree very well. For minor, and near-ecliptical streams the results sometimes differ markedly.

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