../ dmsp_15_ephemeris_20150309.txt 22-Jun-2023 16:19 108125 dmsp_16_ephemeris_20150309.txt 22-Jun-2023 16:19 108163 dmsp_17_ephemeris_20150309.txt 22-Jun-2023 16:19 108153 dmsp_18_ephemeris_20150309.txt 22-Jun-2023 16:19 108102 dmsp_19_ephemeris_20150309.txt 22-Jun-2023 16:19 108119