../ dmsp_15_ephemeris_20140326.txt 22-Jun-2023 16:16 108214 dmsp_16_ephemeris_20140326.txt 22-Jun-2023 16:16 108142 dmsp_17_ephemeris_20140326.txt 22-Jun-2023 16:16 108241 dmsp_18_ephemeris_20140326.txt 22-Jun-2023 16:16 108201