../ dmsp_15_ephemeris_20140225.txt 22-Jun-2023 00:24 108174 dmsp_16_ephemeris_20140225.txt 22-Jun-2023 00:24 108054 dmsp_17_ephemeris_20140225.txt 22-Jun-2023 00:24 108221 dmsp_18_ephemeris_20140225.txt 22-Jun-2023 00:24 108141