../ dmsp_15_ephemeris_20140515.txt 09-Nov-2025 23:16 109413 dmsp_16_ephemeris_20140515.txt 09-Nov-2025 23:16 109547 dmsp_17_ephemeris_20140515.txt 09-Nov-2025 23:16 109692 dmsp_18_ephemeris_20140515.txt 09-Nov-2025 23:16 109766 dmsp_19_ephemeris_20140515.txt 09-Nov-2025 23:16 109632