../ dmsp_15_ephemeris_20130708.txt 22-Jun-2023 16:35 109433 dmsp_16_ephemeris_20130708.txt 22-Jun-2023 16:35 109549 dmsp_17_ephemeris_20130708.txt 22-Jun-2023 16:35 109598 dmsp_18_ephemeris_20130708.txt 22-Jun-2023 16:35 109672