2_20701.txt c_ck19y050.txt C/2019 Y5 PANSTARRS C/2019 Y5 CK19Y050 C/2019 Y5 (PANSTARRS) 2019 08 18.0520 4.918576 0.993609 303.5494 51.7602 82.7731 2023 01 28 11.0 2000.0 4.0