../ dmsp_13_ephemeris_20090521.txt 22-Jun-2023 00:12 109739 dmsp_14_ephemeris_20090521.txt 22-Jun-2023 00:12 109439 dmsp_15_ephemeris_20090521.txt 22-Jun-2023 00:12 109693 dmsp_16_ephemeris_20090521.txt 22-Jun-2023 00:12 109748 dmsp_17_ephemeris_20090521.txt 22-Jun-2023 00:12 109662