../ dmsp_15_ephemeris_20151024.txt 09-Nov-2025 23:22 109486 dmsp_16_ephemeris_20151024.txt 09-Nov-2025 23:22 109493 dmsp_17_ephemeris_20151024.txt 09-Nov-2025 23:22 109498 dmsp_18_ephemeris_20151024.txt 09-Nov-2025 23:22 109486 dmsp_19_ephemeris_20151024.txt 09-Nov-2025 23:22 109560