../ dmsp_15_ephemeris_20160422.txt 09-Nov-2025 23:24 109546 dmsp_16_ephemeris_20160422.txt 09-Nov-2025 23:24 109632 dmsp_17_ephemeris_20160422.txt 09-Nov-2025 23:24 109764 dmsp_18_ephemeris_20160422.txt 09-Nov-2025 23:24 109659 dmsp_19_ephemeris_20160422.txt 09-Nov-2025 23:24 109724