../ dmsp_15_ephemeris_20140413.txt 22-Jun-2023 00:24 109610 dmsp_16_ephemeris_20140413.txt 22-Jun-2023 00:24 109603 dmsp_17_ephemeris_20140413.txt 22-Jun-2023 00:24 109755 dmsp_18_ephemeris_20140413.txt 22-Jun-2023 00:24 109741 dmsp_19_ephemeris_20140413.txt 22-Jun-2023 00:24 109725