2_20701.txt c_ck18r030.txt C/2018 R3 Lemmon C/2018 R3 CK18R030 C/2018 R3 (Lemmon) 2019 06 07.1930 1.290316 0.999286 112.8628 324.6302 69.7226 2020 06 02 9.5 2000.0 4.0