../ dmsp_15_ephemeris_20150325.txt 22-Jun-2023 00:27 108179 dmsp_16_ephemeris_20150325.txt 22-Jun-2023 00:27 108222 dmsp_17_ephemeris_20150325.txt 22-Jun-2023 00:27 108196 dmsp_18_ephemeris_20150325.txt 22-Jun-2023 00:27 108201 dmsp_19_ephemeris_20150325.txt 22-Jun-2023 00:27 108187