2_20701.txt  c_ck21d020.txt  C/2021 D2       ZTF                                                                                                  C/2021 D2       CK21D020     C/2021 D2 (ZTF)                           2022 02 03.9790 2.946284   1.001696 125.0276   305.6771   83.8140    2023 05 23      9.0   2000.0 4.0