期刊
EARTH MOON AND PLANETS
卷 102, 期 1-4, 页码 73-78出版社
SPRINGER
DOI: 10.1007/s11038-007-9197-8
关键词
meteoroids; meteoroid streams; methods : data analysis
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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