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.

中文翻译：

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寻找轨道紧密的年轻小行星对

摘要-

为了限制它们的年龄，我们分析了许多年轻的小行星在近轨道上的动态演化。使用了几种成对选择和估计年龄的方法：分析轨道元素的收敛性；开普勒轨道元素空间中的霍谢夫尼科夫度量的估计；小行星近进时刻相对距离和速度的估计。由于Yarkovsky效应，取决于轨道半长轴的漂移速度，可以获得小行星对的年龄估计。