2_20200.txt  c_ck17f020.txt  C/2017 F2       PANSTARRS                                                                                            C/2017 F2       CK17F020     C/2017 F2 (PANSTARRS)                     2017 11 27.8398 6.931166   1.004825 135.0452   38.6694    42.5081    2019 12 08      7.5   2000.0 4.0