../ dmsp_15_ephemeris_20150306.txt 22-Jun-2023 16:19 108159 dmsp_16_ephemeris_20150306.txt 22-Jun-2023 16:19 108086 dmsp_17_ephemeris_20150306.txt 22-Jun-2023 16:19 108263 dmsp_18_ephemeris_20150306.txt 22-Jun-2023 16:19 108090 dmsp_19_ephemeris_20150306.txt 22-Jun-2023 16:19 108160