2_20701.txt c_ck18r050.txt C/2018 R5 Lemmon C/2018 R5 CK18R050 C/2018 R5 (Lemmon) 2019 01 10.0296 3.621507 0.841324 178.0250 171.1395 103.7503 2019 12 08 11.5 2000.0 4.0