../ dmsp_15_ephemeris_20190125.txt 22-Jun-2023 00:39 108086 dmsp_16_ephemeris_20190125.txt 22-Jun-2023 00:39 107999 dmsp_17_ephemeris_20190125.txt 22-Jun-2023 00:39 107922 dmsp_18_ephemeris_20190125.txt 22-Jun-2023 00:39 107905