parent parent_name family_id family_name c_param author ref method 2079 Jacchia -1 Jacchia -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024 15 Eunomia 502 Eunomia -0.3000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14