parent parent_name family_id family_name c_param author ref method 135 Hertha -1 Hertha -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024 135 Hertha 0 Hertha nan Novakovic 2019EPSC...13.1671N HCM 44 Nysa 405 Nysa-Polana 0.1400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14