../ dmsp_15_ephemeris_20150323.txt 09-Nov-2025 23:14 108187 dmsp_16_ephemeris_20150323.txt 09-Nov-2025 23:14 108134 dmsp_17_ephemeris_20150323.txt 09-Nov-2025 23:14 108147 dmsp_18_ephemeris_20150323.txt 09-Nov-2025 23:14 108268 dmsp_19_ephemeris_20150323.txt 09-Nov-2025 23:14 108300