../ dmsp_15_ephemeris_20150414.txt 09-Nov-2025 23:14 109635 dmsp_16_ephemeris_20150414.txt 09-Nov-2025 23:14 109532 dmsp_17_ephemeris_20150414.txt 09-Nov-2025 23:14 109835 dmsp_18_ephemeris_20150414.txt 09-Nov-2025 23:14 109630 dmsp_19_ephemeris_20150414.txt 09-Nov-2025 23:14 109631