2_20701.txt c_ck21e030.txt C/2021 E3 ZTF C/2021 E3 CK21E030 C/2021 E3 (ZTF) 2022 06 11.9098 1.777397 1.000905 228.8521 104.4735 112.5528 2023 01 28 8.5 2000.0 4.0