../ dmsp_13_ephemeris_20090721.txt 22-Jun-2023 00:13 109617 dmsp_14_ephemeris_20090721.txt 22-Jun-2023 00:13 109567 dmsp_15_ephemeris_20090721.txt 22-Jun-2023 00:13 109587 dmsp_16_ephemeris_20090721.txt 22-Jun-2023 00:13 109721 dmsp_17_ephemeris_20090721.txt 22-Jun-2023 00:13 109653