../ dmsp_15_ephemeris_20140413.txt 09-Nov-2025 23:16 109610 dmsp_16_ephemeris_20140413.txt 09-Nov-2025 23:16 109603 dmsp_17_ephemeris_20140413.txt 09-Nov-2025 23:16 109755 dmsp_18_ephemeris_20140413.txt 09-Nov-2025 23:16 109741 dmsp_19_ephemeris_20140413.txt 09-Nov-2025 23:16 109725