../ dmsp_15_ephemeris_20151008.txt 09-Nov-2025 23:22 109595 dmsp_16_ephemeris_20151008.txt 09-Nov-2025 23:22 109569 dmsp_17_ephemeris_20151008.txt 09-Nov-2025 23:22 109474 dmsp_18_ephemeris_20151008.txt 09-Nov-2025 23:22 109642 dmsp_19_ephemeris_20151008.txt 09-Nov-2025 23:22 109563