Maria's Family: Physical Structure and Possible Implications for the Origin of Giant NEAs

Details Maria's Family: Physical Structure and Possible Implications for the Origin of Giant NEAs Maria's Family: Physical Structure and Possible Implications for the Origin of Giant NEAs

Sep 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997icar..129....1z&link_type=abstract

Icarus, Volume 129, Issue 1, pp. 1-20.

Physics

25

Scientific paper

An extensive analysis of the Maria family is presented. A reconstruction of the original ejection velocity field of the fragments suggests that a substantial number of relatively large fragments may have been injected into the neighboring 3/1 mean motion resonance with Jupiter. This also agrees with an analysis of the size distribution of the family, suggesting that about 10 objects in the size range 15-30 km have probably been lost. As a consequence, Maria's family can be seen as one of the most promising candidates for the source of the ``giant'' near-Earth asteroids 433 Eros and 1036 Ganymed. This is also supported by an extensive spectroscopic survey of the family members in the spectral range 5000-10000 A. The spectra obtained are very similar and are consistent with the known spectra of Eros and Ganymed.

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