../ dmsp_15_ephemeris_20120122.txt 22-Jun-2023 16:12 107949 dmsp_16_ephemeris_20120122.txt 22-Jun-2023 16:12 107928 dmsp_17_ephemeris_20120122.txt 22-Jun-2023 16:12 108029 dmsp_18_ephemeris_20120122.txt 22-Jun-2023 16:12 107928