../ dmsp_15_ephemeris_20150313.txt 22-Jun-2023 00:27 108196 dmsp_16_ephemeris_20150313.txt 22-Jun-2023 00:27 108096 dmsp_17_ephemeris_20150313.txt 22-Jun-2023 00:27 108264 dmsp_18_ephemeris_20150313.txt 22-Jun-2023 00:27 108071 dmsp_19_ephemeris_20150313.txt 22-Jun-2023 00:27 108175