../ dmsp_15_ephemeris_20150222.txt 09-Nov-2025 23:03 108144 dmsp_16_ephemeris_20150222.txt 09-Nov-2025 23:03 108033 dmsp_17_ephemeris_20150222.txt 09-Nov-2025 23:03 108223 dmsp_18_ephemeris_20150222.txt 09-Nov-2025 23:03 108058 dmsp_19_ephemeris_20150222.txt 09-Nov-2025 23:04 108029