../ dmsp_15_ephemeris_20160413.txt 22-Jun-2023 00:31 109656 dmsp_16_ephemeris_20160413.txt 22-Jun-2023 00:31 109716 dmsp_17_ephemeris_20160413.txt 22-Jun-2023 00:31 109779 dmsp_18_ephemeris_20160413.txt 22-Jun-2023 00:31 109581 dmsp_19_ephemeris_20160413.txt 22-Jun-2023 00:31 109537