2_20701.txt c_ck18v020.txt C/2018 V2 ATLAS C/2018 V2 CK18V020 C/2018 V2 (ATLAS) 2018 11 26.9798 2.475371 0.902714 318.6806 356.7955 159.1114 2019 12 08 15.0 2000.0 4.0