../ dmsp_15_ephemeris_20150610.txt 09-Nov-2025 23:20 109511 dmsp_16_ephemeris_20150610.txt 09-Nov-2025 23:20 109618 dmsp_17_ephemeris_20150610.txt 09-Nov-2025 23:20 109639 dmsp_18_ephemeris_20150610.txt 09-Nov-2025 23:20 109708 dmsp_19_ephemeris_20150610.txt 09-Nov-2025 23:20 109688