2_20200.txt c_ck15o010.txt C/2015 O1 PANSTARRS C/2015 O1 CK15O010 C/2015 O1 (PANSTARRS) 2018 02 19.8824 3.727679 1.001501 89.6229 299.8498 127.2195 2021 08 29 6.5 2000.0 4.0