2_20701.txt  c_ck21d010.txt  C/2021 D1       SWAN                                                                                                 C/2021 D1       CK21D010     C/2021 D1 (SWAN)                          2021 02 27.6408 0.901841   0.990813 72.2355    311.2685   31.4555    2022 03 27      13.0  2000.0 4.0