parent parent_name family_id family_name c_param author ref method 48939 1998 QO8 -1 1998QO8 -1.0000 Nesvorny 2025arXiv250800753N/ HCM-2025 4 Vesta 0 Vesta nan Novakovic 2019EPSC...13.1671N HCM 4 Vesta 401 Vesta nan Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14