../ dmsp_15_ephemeris_20121017.txt 22-Jun-2023 16:33 109535 dmsp_16_ephemeris_20121017.txt 22-Jun-2023 16:33 109576 dmsp_17_ephemeris_20121017.txt 22-Jun-2023 16:33 109580 dmsp_18_ephemeris_20121017.txt 22-Jun-2023 16:33 109550