2_20701.txt c_ck20s080.txt C/2020 S8 Lemmon C/2020 S8 CK20S080 C/2020 S8 (Lemmon) 2021 04 10.9346 2.363846 0.991457 160.3359 24.0523 108.5210 2021 08 29 12.5 2000.0 4.0