calculated mean-diameter is only a rough estimate. It is inferred from the object's varying brightness—observed and measured at various times—and the assumed, yet
703M. doi:10.1051/0004-6361:20010731. (原始内容存档于2012-12-04). Michalak2001 assumed masses of perturbing asteroids used in calculations of perturbations of
defined as n orbits of the outer body – see below). Circular orbits are assumed(i.e., precession is ignored). The time needed for the mismatch from the