../ dmsp_15_ephemeris_20150812.txt 09-Nov-2025 15:45 109564 dmsp_16_ephemeris_20150812.txt 09-Nov-2025 15:45 109671 dmsp_17_ephemeris_20150812.txt 09-Nov-2025 15:45 109695 dmsp_18_ephemeris_20150812.txt 09-Nov-2025 15:45 109718 dmsp_19_ephemeris_20150812.txt 09-Nov-2025 15:45 109645