../ dmsp_14_ephemeris_20100521.txt 09-Nov-2025 22:51 109695 dmsp_15_ephemeris_20100521.txt 09-Nov-2025 22:51 109613 dmsp_16_ephemeris_20100521.txt 09-Nov-2025 22:51 109749 dmsp_17_ephemeris_20100521.txt 09-Nov-2025 22:51 109643 dmsp_18_ephemeris_20100521.txt 09-Nov-2025 22:51 109513