2_20200.txt c_ck17s060.txt C/2017 S6 Catalina C/2017 S6 CK17S060 C/2017 S6 (Catalina) 2018 02 26.6344 1.542145 1.000684 134.7926 131.0454 152.8676 2020 06 02 12.5 2000.0 4.0