2_20200.txt c_ak19g040.txt A/2019 G4 PANSTARRS A/2019 G4 AK19G040 A/2019 G4 2018 09 16.1136 5.857254 1.001900 287.8737 130.4643 138.3855 2021 07 31 13.0 2000.0 2.0