../ dmsp_15_ephemeris_20150222.txt 22-Jun-2023 16:15 108144 dmsp_16_ephemeris_20150222.txt 22-Jun-2023 16:15 108033 dmsp_17_ephemeris_20150222.txt 22-Jun-2023 16:15 108223 dmsp_18_ephemeris_20150222.txt 22-Jun-2023 16:15 108058 dmsp_19_ephemeris_20150222.txt 22-Jun-2023 16:15 108029