../ dmsp_15_ephemeris_20160414.txt 09-Nov-2025 23:24 109560 dmsp_16_ephemeris_20160414.txt 09-Nov-2025 23:24 109639 dmsp_17_ephemeris_20160414.txt 09-Nov-2025 23:24 109700 dmsp_18_ephemeris_20160414.txt 09-Nov-2025 23:24 109723 dmsp_19_ephemeris_20160414.txt 09-Nov-2025 23:24 109660