../ dmsp_15_ephemeris_20140423.txt 09-Nov-2025 23:16 109595 dmsp_16_ephemeris_20140423.txt 09-Nov-2025 23:16 109672 dmsp_17_ephemeris_20140423.txt 09-Nov-2025 23:16 109707 dmsp_18_ephemeris_20140423.txt 09-Nov-2025 23:16 109564 dmsp_19_ephemeris_20140423.txt 09-Nov-2025 23:16 109717