../ dmsp_15_ephemeris_20140828.txt 22-Jun-2023 16:39 109635 dmsp_16_ephemeris_20140828.txt 22-Jun-2023 16:39 109700 dmsp_17_ephemeris_20140828.txt 22-Jun-2023 16:39 109677 dmsp_18_ephemeris_20140828.txt 22-Jun-2023 16:39 109561 dmsp_19_ephemeris_20140828.txt 22-Jun-2023 16:39 109838