../ dmsp_15_ephemeris_20151128.txt 10-Sep-2021 18:46 109438 dmsp_16_ephemeris_20151128.txt 10-Sep-2021 18:46 109407 dmsp_17_ephemeris_20151128.txt 10-Sep-2021 18:46 109412 dmsp_18_ephemeris_20151128.txt 10-Sep-2021 18:46 109320 dmsp_19_ephemeris_20151128.txt 10-Sep-2021 18:46 109337