../ dmsp_15_ephemeris_20160928.txt 22-Jun-2023 16:24 109683 dmsp_16_ephemeris_20160928.txt 22-Jun-2023 16:24 109575 dmsp_17_ephemeris_20160928.txt 22-Jun-2023 16:24 109667 dmsp_18_ephemeris_20160928.txt 22-Jun-2023 16:24 109677 dmsp_19_ephemeris_20160928.txt 22-Jun-2023 16:24 109780