../ dmsp_15_ephemeris_20160321.txt 22-Jun-2023 00:30 108219 dmsp_16_ephemeris_20160321.txt 22-Jun-2023 00:30 108194 dmsp_17_ephemeris_20160321.txt 22-Jun-2023 00:30 108287 dmsp_18_ephemeris_20160321.txt 22-Jun-2023 00:30 108166 dmsp_19_ephemeris_20160321.txt 22-Jun-2023 00:30 108270