../ dmsp_15_ephemeris_20120227.txt 22-Jun-2023 16:12 108092 dmsp_16_ephemeris_20120227.txt 22-Jun-2023 16:12 108185 dmsp_17_ephemeris_20120227.txt 22-Jun-2023 16:12 108208 dmsp_18_ephemeris_20120227.txt 22-Jun-2023 16:12 108251