2_20701.txt c_ck20f080.txt C/2020 F8 SWAN C/2020 F8 CK20F080 C/2020 F8 (SWAN) 2020 05 27.2969 0.429478 1.000203 68.0907 259.8974 110.6398 2023 05 23 10.0 2000.0 4.0