../ dmsp_15_ephemeris_20190315.txt 22-Jun-2023 16:24 108110 dmsp_16_ephemeris_20190315.txt 22-Jun-2023 16:24 108183 dmsp_17_ephemeris_20190315.txt 22-Jun-2023 16:24 108260 dmsp_18_ephemeris_20190315.txt 22-Jun-2023 16:24 108283