2_20701.txt c_ck19k040.txt C/2019 K4 Ye C/2019 K4 CK19K040 C/2019 K4 (Ye) 2019 06 16.2144 2.260577 0.998386 139.7765 180.1569 105.3000 2021 06 22 12.5 2000.0 4.0