2_20701.txt c_pk17d040.txt P/2017 D4 PANSTARRS P/2017 D4 PK17D040 P/2017 D4 (PANSTARRS) 2016 09 04.8706 2.803313 0.628730 212.1573 264.9408 10.5447 2022 08 27 13.0 2000.0 4.0