2_20701.txt c_ck21b030.txt C/2021 B3 NEOWISE C/2021 B3 CK21B030 C/2021 B3 (NEOWISE) 2021 03 10.9078 2.160151 0.938200 293.5586 67.2871 119.4877 2021 07 31 13.5 2000.0 4.0