../ dmsp_15_ephemeris_20160403.txt 22-Jun-2023 00:30 108105 dmsp_16_ephemeris_20160403.txt 22-Jun-2023 00:30 108102 dmsp_17_ephemeris_20160403.txt 22-Jun-2023 00:30 108347 dmsp_18_ephemeris_20160403.txt 22-Jun-2023 00:30 108253 dmsp_19_ephemeris_20160403.txt 22-Jun-2023 00:30 108244