2_20701.txt c_ck23c020.txt C/2023 C2 ATLAS C/2023 C2 CK23C020 C/2023 C2 (ATLAS) 2024 11 16.8269 2.368334 0.999267 357.4573 301.0146 48.3162 2023 11 28 7.0 2000.0 4.0