../ dmsp_15_ephemeris_20150321.txt 22-Jun-2023 16:19 108192 dmsp_16_ephemeris_20150321.txt 22-Jun-2023 16:19 108156 dmsp_17_ephemeris_20150321.txt 22-Jun-2023 16:19 108196 dmsp_18_ephemeris_20150321.txt 22-Jun-2023 16:19 108208 dmsp_19_ephemeris_20150321.txt 22-Jun-2023 16:19 108195