2_20701.txt c_ck20f070.txt C/2020 F7 Lemmon C/2020 F7 CK20F070 C/2020 F7 (Lemmon) 2021 11 13.7786 5.332019 0.991076 227.9510 321.8751 93.9504 2023 01 28 7.0 2000.0 4.0