2_20701.txt c_ck19b030.txt C/2019 B3 PANSTARRS C/2019 B3 CK19B030 C/2019 B3 (PANSTARRS) 2021 01 20.1064 6.826408 0.999151 263.9715 358.4265 66.5472 2023 11 28 5.5 2000.0 4.0