../ dmsp_15_ephemeris_20150310.txt 09-Nov-2025 23:14 108139 dmsp_16_ephemeris_20150310.txt 09-Nov-2025 23:14 108144 dmsp_17_ephemeris_20150310.txt 09-Nov-2025 23:14 108109 dmsp_18_ephemeris_20150310.txt 09-Nov-2025 23:14 108244 dmsp_19_ephemeris_20150310.txt 09-Nov-2025 23:14 108031