2_20200.txt c_ck15x01y.txt C/2015 XY1 Lemmon C/2015 XY1 CK15X01Y C/2015 XY1 (Lemmon) 2018 04 25.7919 7.923869 1.000131 196.1440 281.5832 148.8516 2022 08 27 5.5 2000.0 4.0