../ dmsp_15_ephemeris_20130201.txt 22-Jun-2023 00:21 108095 dmsp_16_ephemeris_20130201.txt 22-Jun-2023 00:21 108033 dmsp_17_ephemeris_20130201.txt 22-Jun-2023 00:21 107934 dmsp_18_ephemeris_20130201.txt 22-Jun-2023 00:21 107962