../ dmsp_15_ephemeris_20150220.txt 09-Nov-2025 23:03 108188 dmsp_16_ephemeris_20150220.txt 09-Nov-2025 23:03 108008 dmsp_17_ephemeris_20150220.txt 09-Nov-2025 23:03 108033 dmsp_18_ephemeris_20150220.txt 09-Nov-2025 23:03 108131 dmsp_19_ephemeris_20150220.txt 09-Nov-2025 23:03 108254