2_20701.txt c_ck19l010.txt C/2019 L1 PANSTARRS C/2019 L1 CK19L010 C/2019 L1 (PANSTARRS) 2019 08 10.8449 2.898406 0.705508 50.0472 254.4299 9.9813 2023 01 28 13.5 2000.0 4.0