parent parent_name family_id family_name c_param author ref method 15454 1998 YB3 -1 1998YB3 -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024 15454 1998 YB3 627 1998YB3 0.6500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14