../ dmsp_15_ephemeris_20150403.txt 09-Nov-2025 23:14 108250 dmsp_16_ephemeris_20150403.txt 09-Nov-2025 23:14 108221 dmsp_17_ephemeris_20150403.txt 09-Nov-2025 23:14 108240 dmsp_18_ephemeris_20150403.txt 09-Nov-2025 23:14 108132 dmsp_19_ephemeris_20150403.txt 09-Nov-2025 23:14 108300