Close encounters of asteroids 2003-2020

Selection have been made of asteroids-asteroids close encounters inducing perturbations large enough to deduce masses of perturbing objects. In tablea1.dat, and tablea3.dat, the...已筛选出曾发生近距离交会、且该交会引发的摄动幅度足够大，足以用于推导摄动天体质量的小行星（asteroids）。在tablea1.dat与tablea3.dat文件中，……