../ dmsp_15_ephemeris_20200124.txt 22-Jun-2023 16:32 107931 dmsp_16_ephemeris_20200124.txt 22-Jun-2023 16:32 107942 dmsp_17_ephemeris_20200124.txt 22-Jun-2023 16:32 107928 dmsp_18_ephemeris_20200124.txt 22-Jun-2023 16:32 107949