../ dmsp_15_ephemeris_20160503.txt 09-Nov-2025 23:24 109613 dmsp_16_ephemeris_20160503.txt 09-Nov-2025 23:24 109505 dmsp_17_ephemeris_20160503.txt 09-Nov-2025 23:24 109817 dmsp_18_ephemeris_20160503.txt 09-Nov-2025 23:24 109681 dmsp_19_ephemeris_20160503.txt 09-Nov-2025 23:24 109599