../ dmsp_15_ephemeris_20130227.txt 22-Jun-2023 16:34 108114 dmsp_16_ephemeris_20130227.txt 22-Jun-2023 16:34 108194 dmsp_17_ephemeris_20130227.txt 22-Jun-2023 16:34 108177 dmsp_18_ephemeris_20130227.txt 22-Jun-2023 16:34 108147