../ dmsp_15_ephemeris_20140709.txt 22-Jun-2023 16:17 109492 dmsp_16_ephemeris_20140709.txt 22-Jun-2023 16:17 109590 dmsp_17_ephemeris_20140709.txt 22-Jun-2023 16:17 109627 dmsp_18_ephemeris_20140709.txt 22-Jun-2023 16:17 109560 dmsp_19_ephemeris_20140709.txt 22-Jun-2023 16:17 109772