../ dmsp_15_ephemeris_20160508.txt 22-Jun-2023 00:31 109462 dmsp_16_ephemeris_20160508.txt 22-Jun-2023 00:31 109653 dmsp_17_ephemeris_20160508.txt 22-Jun-2023 00:31 109623 dmsp_18_ephemeris_20160508.txt 22-Jun-2023 00:31 109597 dmsp_19_ephemeris_20160508.txt 22-Jun-2023 00:31 109697