2_20200.txt c_ck18a040.txt C/2018 A4 PANSTARRS C/2018 A4 CK18A040 C/2018 A4 (PANSTARRS) 2018 05 19.8205 2.388470 0.804006 355.9577 97.5712 3.1512 2023 05 23 14.0 2000.0 4.0