../ dmsp_15_ephemeris_20140303.txt 22-Jun-2023 00:24 108140 dmsp_16_ephemeris_20140303.txt 22-Jun-2023 00:24 108240 dmsp_17_ephemeris_20140303.txt 22-Jun-2023 00:24 108196 dmsp_18_ephemeris_20140303.txt 22-Jun-2023 00:24 108174