../ dmsp_15_ephemeris_20190128.txt 22-Jun-2023 00:39 108077 dmsp_16_ephemeris_20190128.txt 22-Jun-2023 00:39 108012 dmsp_17_ephemeris_20190128.txt 22-Jun-2023 00:39 107963 dmsp_18_ephemeris_20190128.txt 22-Jun-2023 00:39 108018