../ dmsp_15_ephemeris_20151001.txt 09-Nov-2025 15:45 109618 dmsp_16_ephemeris_20151001.txt 09-Nov-2025 15:45 109513 dmsp_17_ephemeris_20151001.txt 09-Nov-2025 15:45 109564 dmsp_18_ephemeris_20151001.txt 09-Nov-2025 15:45 109643 dmsp_19_ephemeris_20151001.txt 09-Nov-2025 15:45 109611