../ dmsp_14_ephemeris_20100531.txt 09-Nov-2025 22:51 109495 dmsp_15_ephemeris_20100531.txt 09-Nov-2025 22:51 109525 dmsp_16_ephemeris_20100531.txt 09-Nov-2025 22:51 109530 dmsp_17_ephemeris_20100531.txt 09-Nov-2025 22:51 109595 dmsp_18_ephemeris_20100531.txt 09-Nov-2025 22:51 109750