../ dmsp_15_ephemeris_20150315.txt 09-Nov-2025 23:14 108225 dmsp_16_ephemeris_20150315.txt 09-Nov-2025 23:14 108065 dmsp_17_ephemeris_20150315.txt 09-Nov-2025 23:14 108030 dmsp_18_ephemeris_20150315.txt 09-Nov-2025 23:14 108209 dmsp_19_ephemeris_20150315.txt 09-Nov-2025 23:14 108210