../ dmsp_15_ephemeris_20140421.txt 09-Nov-2025 23:16 109613 dmsp_16_ephemeris_20140421.txt 09-Nov-2025 23:16 109532 dmsp_17_ephemeris_20140421.txt 09-Nov-2025 23:16 109659 dmsp_18_ephemeris_20140421.txt 09-Nov-2025 23:16 109837 dmsp_19_ephemeris_20140421.txt 09-Nov-2025 23:16 109762