../ dmsp_15_ephemeris_20151122.txt 09-Nov-2025 23:22 109502 dmsp_16_ephemeris_20151122.txt 09-Nov-2025 23:22 109408 dmsp_17_ephemeris_20151122.txt 09-Nov-2025 23:22 109316 dmsp_18_ephemeris_20151122.txt 09-Nov-2025 23:22 109334 dmsp_19_ephemeris_20151122.txt 09-Nov-2025 23:22 109225