../ dmsp_15_ephemeris_20161001.txt 22-Jun-2023 00:32 109525 dmsp_16_ephemeris_20161001.txt 22-Jun-2023 00:32 109659 dmsp_17_ephemeris_20161001.txt 22-Jun-2023 00:32 109674 dmsp_18_ephemeris_20161001.txt 22-Jun-2023 00:32 109658 dmsp_19_ephemeris_20161001.txt 22-Jun-2023 00:32 109584