2_20701.txt c_ck19b030.txt C/2019 B3 PANSTARRS C/2019 B3 CK19B030 C/2019 B3 (PANSTARRS) 2021 01 20.4054 6.825072 1.000200 263.9634 358.4353 66.5366 2023 01 28 5.5 2000.0 4.0