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Recent results in family identification

Published online by Cambridge University Press:  03 March 2020

Anatolii Kazantsev
Anatolii Kazantsev*
Affiliation:
Astronomical observatory of Kyiv National Taras Shevchenko University Observatorna Str. 3, Kyiv, Ukraine, 04053 email: [email protected]
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Abstract

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To select asteroid families, the D(a) distribution of asteroid sizes by their semimajor axes and the N(p) distribution of the number of asteroids by their albedo values for individual families were used. A statistically significant reduction in the mean albedo with increasing semimajor axis is observed for almost all correctly identified families that are not truncated by resonances. This points on an action of a specific nongravitational effect (NGE) in the asteroid belt, and results in the spatial separation of asteroids with different albedos.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium A30: Astronomy in Focus XXX , August 2018 , pp. 19 - 20
Copyright
© International Astronomical Union 2020

References

Masiero, Joseph R., Mainzer, A. K., Grav, T., et al. 2011, ApJ, 741, 20 Google Scholar