../ dmsp_15_ephemeris_20150525.txt 09-Nov-2025 23:15 109469 dmsp_16_ephemeris_20150525.txt 09-Nov-2025 23:15 109596 dmsp_17_ephemeris_20150525.txt 09-Nov-2025 23:15 109592 dmsp_18_ephemeris_20150525.txt 09-Nov-2025 23:15 109538 dmsp_19_ephemeris_20150525.txt 09-Nov-2025 23:15 109552