../ dmsp_15_ephemeris_20150915.txt 09-Nov-2025 15:45 109612 dmsp_16_ephemeris_20150915.txt 09-Nov-2025 15:45 109608 dmsp_17_ephemeris_20150915.txt 09-Nov-2025 15:45 109630 dmsp_18_ephemeris_20150915.txt 09-Nov-2025 15:45 109628 dmsp_19_ephemeris_20150915.txt 09-Nov-2025 15:45 109624