../ dmsp_15_ephemeris_20170125.txt 22-Jun-2023 00:33 108067 dmsp_16_ephemeris_20170125.txt 22-Jun-2023 00:33 107945 dmsp_17_ephemeris_20170125.txt 22-Jun-2023 00:33 107911 dmsp_18_ephemeris_20170125.txt 22-Jun-2023 00:33 107896