../ dmsp_15_ephemeris_20150828.txt 09-Nov-2025 23:16 109538 dmsp_16_ephemeris_20150828.txt 09-Nov-2025 23:16 109686 dmsp_17_ephemeris_20150828.txt 09-Nov-2025 23:16 109790 dmsp_18_ephemeris_20150828.txt 09-Nov-2025 23:16 109759 dmsp_19_ephemeris_20150828.txt 09-Nov-2025 23:16 109784