2_20701.txt c_ck18s020.txt C/2018 S2 TESS C/2018 S2 CK18S020 C/2018 S2 (TESS) 2018 11 06.5547 5.472693 0.618779 290.7822 85.1070 64.1669 2022 08 27 7.5 2000.0 4.0