2_20200.txt  c_ck17d030.txt  C/2017 D3       ATLAS                                                                                                C/2017 D3       CK17D030     C/2017 D3 (ATLAS)                         2017 04 27.1591 4.973898   1.001863 340.8426   186.6404   125.5734   2019 12 08      8.0   2000.0 4.0