../ dmsp_15_ephemeris_20150711.txt 09-Nov-2025 15:45 109569 dmsp_16_ephemeris_20150711.txt 09-Nov-2025 15:45 109582 dmsp_17_ephemeris_20150711.txt 09-Nov-2025 15:45 109692 dmsp_18_ephemeris_20150711.txt 09-Nov-2025 15:45 109588 dmsp_19_ephemeris_20150711.txt 09-Nov-2025 15:45 109630