../ dmsp_15_ephemeris_20150929.txt 22-Jun-2023 16:17 109626 dmsp_16_ephemeris_20150929.txt 22-Jun-2023 16:17 109666 dmsp_17_ephemeris_20150929.txt 22-Jun-2023 16:17 109620 dmsp_18_ephemeris_20150929.txt 22-Jun-2023 16:17 109514 dmsp_19_ephemeris_20150929.txt 22-Jun-2023 16:17 109580