Abstract
Abstract The two and three body mean motion resonances with Jupiter and Mars (and possible with Earth) may have a significant effect on the dynamics of very young close asteroid pairs and families. The best known example is the influence 9:16 resonance with Mars to some members of Datura family. It is evident, that the evolution of this family can be properly reconstructed only when this fact has been taken into account. One of the results of resonance perturbation may be the temporary compensation of the Yarkovsky drift in the semimajor axis. Studying this relationship may greatly improve the age estimation of asteroid pairs and families. In this note we give a list of some close asteroid pairs in the vicinity of mean motion resonances.
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