Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996dps....28.1007h&link_type=abstract
American Astronomical Society, DPS meeting #28, #10.07; Bulletin of the American Astronomical Society, Vol. 28, p.1097
Astronomy and Astrophysics
Astronomy
4
Scientific paper
At present, there are only two widely recognized high-inclination (> 20 degrees) asteroid families. The (2) Pallas family was one of the seven original Hirayama families (Hirayama. 1928; Japan J. of Astron. Geophys. 5,137-162) and a second family associated with (434) Hungaria has also been noted (Williams. 1992; Icarus 96,251-280). We present a third high-inclination family which includes as its highest numbered member (480) Hansa. Using a semi-analytical method for the determination of proper elements (Lemaitre and Morbidelli. 1994; Celest. Mech. and Dyn. Astr. 60,29-56) and the D-criterion for the identification of asteroid families (Lindblad. 1994; Seventy-Five Years of Hirayama Asteroid Families, ASP Conf. Ser. 63,62-75), we have identified 14 probable members including the two large S-class, H=8 asteroids, (480) Hansa and (925) Alphonsina. The present osculating elements are centered at a=2.66 au, e=0.06 and i=22.0deg . We will also analyze peculiarities among the osculating orbital elements.
Hergenrother Carl W.
Larson Stefan M.
Spahr Timothy Bruce
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