../ dmsp_15_ephemeris_20220220.txt 09-Nov-2025 16:02 108121 dmsp_16_ephemeris_20220220.txt 09-Nov-2025 16:02 108150 dmsp_17_ephemeris_20220220.txt 09-Nov-2025 16:02 108091 dmsp_18_ephemeris_20220220.txt 09-Nov-2025 16:02 108166