2_20701.txt c_pk17p010.txt P/2017 P1 PANSTARRS P/2017 P1 PK17P010 P/2017 P1 (PANSTARRS) 2018 06 17.4659 5.439878 0.310075 122.1552 221.4004 7.6999 2019 12 08 10.0 2000.0 4.0