2_20701.txt c_ck22y020.txt C/2022 Y2 Lemmon C/2022 Y2 CK22Y020 C/2022 Y2 (Lemmon) 2023 03 22.8385 2.545041 0.871697 105.5944 216.3523 165.9042 2023 11 28 13.5 2000.0 4.0