Abstract
We analyzed the dynamic evolution of a number of young asteroid pairs in close orbits in order to constrain their ages. Several methods of pair selection and estimation of their age are used: analysis of convergence of orbital elements; estimation of the Kholshevnikov metrics in the space of Keplerian orbital elements; estimation of relative distances and velocities at the moments of asteroid close approaches. Estimates of the age of asteroid pairs are obtained depending on the drift velocities of the semimajor axes of the orbits, due to the Yarkovsky effect.
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