Mathematics
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acm..proc...61b&link_type=abstract
In Lunar and Planetary Inst., Asteroids, Comets, Meteors 1991 p 61-64 (SEE N93-19113 06-90)
Mathematics
Asteroids, Astronomical Models, Cluster Analysis, Dirac Equation, Mathematical Models, Wave Functions, Structural Analysis, Transformations (Mathematics)
Scientific paper
The asteroid family determination has been analysis method dependent for a longtime. A new cluster analysis based on the wavelet transform has allowed an automatic definition of families with a degree of significance versus randomness. Actually this method is rather general and can be applied to any kind of structural analysis. We will rather concentrate on the main features of the method. The analysis has been performed on the set of 4100 asteroid proper elements computed by Milani and Knezevic (see Milani and Knezevic 1990). Twenty one families have been found and influence of the chosen metric has been tested. The results have beem compared to Zappala et al.'s ones (see Zappala et al 1990) obtained by the use of a completely different method applied to the same set of data. For the first time, a good overlapping has been found between both method results, not only for the big well known families but also for the smallest ones.
Benjoya Phillippe
Froeschle' Claude
Slezak Eric
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