../ dmsp_15_ephemeris_20150913.txt 09-Nov-2025 23:05 109627 dmsp_16_ephemeris_20150913.txt 09-Nov-2025 23:05 109686 dmsp_17_ephemeris_20150913.txt 09-Nov-2025 23:05 109814 dmsp_18_ephemeris_20150913.txt 09-Nov-2025 23:05 109623 dmsp_19_ephemeris_20150913.txt 09-Nov-2025 23:05 109604