../ dmsp_15_ephemeris_20150716.txt 22-Jun-2023 16:42 109448 dmsp_16_ephemeris_20150716.txt 22-Jun-2023 16:42 109500 dmsp_17_ephemeris_20150716.txt 22-Jun-2023 16:42 109612 dmsp_18_ephemeris_20150716.txt 22-Jun-2023 16:42 109652 dmsp_19_ephemeris_20150716.txt 22-Jun-2023 16:42 109566