2_20701.txt c_ck21l030.txt C/2021 L3 Borisov C/2021 L3 CK21L030 C/2021 L3 (Borisov) 2022 02 14.1743 8.458056 1.003584 91.6142 344.9800 78.5760 2023 06 27 10.1 2000.0 4.0