../ dmsp_15_ephemeris_20151120.txt 09-Nov-2025 23:22 109513 dmsp_16_ephemeris_20151120.txt 09-Nov-2025 23:22 109442 dmsp_17_ephemeris_20151120.txt 09-Nov-2025 23:22 109502 dmsp_18_ephemeris_20151120.txt 09-Nov-2025 23:22 109324 dmsp_19_ephemeris_20151120.txt 09-Nov-2025 23:22 109440