parent parent_name family_id family_name c_param author ref method 6142 Tantawi -1 Tantawi -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024 44 Nysa 405 Nysa-Polana 0.7500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14