../ dmsp_15_ephemeris_20150122.txt 09-Nov-2025 23:14 108015 dmsp_16_ephemeris_20150122.txt 09-Nov-2025 23:14 107930 dmsp_17_ephemeris_20150122.txt 09-Nov-2025 23:14 107966 dmsp_18_ephemeris_20150122.txt 09-Nov-2025 23:14 107955 dmsp_19_ephemeris_20150122.txt 09-Nov-2025 23:14 107943