2_20701.txt c_ck18w010.txt C/2018 W1 Catalina C/2018 W1 CK18W010 C/2018 W1 (Catalina) 2019 05 11.6569 1.360637 0.937251 251.2425 233.6053 83.2902 2021 08 29 15.5 2000.0 2.0