../ dmsp_15_ephemeris_20150809.txt 09-Nov-2025 15:45 109487 dmsp_16_ephemeris_20150809.txt 09-Nov-2025 15:45 109592 dmsp_17_ephemeris_20150809.txt 09-Nov-2025 15:45 109673 dmsp_18_ephemeris_20150809.txt 09-Nov-2025 15:45 109718 dmsp_19_ephemeris_20150809.txt 09-Nov-2025 15:45 109629