../ dmsp_15_ephemeris_20140411.txt 09-Nov-2025 23:16 109672 dmsp_16_ephemeris_20140411.txt 09-Nov-2025 23:16 109606 dmsp_17_ephemeris_20140411.txt 09-Nov-2025 23:16 109843 dmsp_18_ephemeris_20140411.txt 09-Nov-2025 23:16 109702 dmsp_19_ephemeris_20140411.txt 09-Nov-2025 23:16 109593