2_20701.txt  c_ck21c010.txt  C/2021 C1       Rankin                                                                                               C/2021 C1       CK21C010     C/2021 C1 (Rankin)                        2020 12 06.8842 3.477143   0.999518 336.2240   186.8954   143.0447   2023 06 27      11.5  2000.0 4.0