parent parent_name family_id family_name c_param author ref method 111298 2001 XZ55 -1 2001XZ55 -1.0000 Nesvorny 2025arXiv250800753N/ HCM-2025 135 Hertha 0 Hertha nan Novakovic 2019EPSC...13.1671N HCM 44 Nysa 405 Nysa-Polana -0.1900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14