parent parent_name family_id family_name c_param author ref method 5722 Johnscherrer -1 Johnscherrer -1.0000 Nesvorny 2025arXiv250800753N/ HCM-2025 8 Flora 402 Flora 0.1700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14