../ dmsp_15_ephemeris_20150923.txt 09-Nov-2025 15:45 109502 dmsp_16_ephemeris_20150923.txt 09-Nov-2025 15:45 109647 dmsp_17_ephemeris_20150923.txt 09-Nov-2025 15:45 109628 dmsp_18_ephemeris_20150923.txt 09-Nov-2025 15:45 109565 dmsp_19_ephemeris_20150923.txt 09-Nov-2025 15:45 109665