2_20701.txt c_ck20h060.txt C/2020 H6 ATLAS C/2020 H6 CK20H060 C/2020 H6 (ATLAS) 2021 09 30.8153 4.702312 0.999790 20.3172 213.7183 79.9776 2023 01 28 8.0 2000.0 3.2