../ dmsp_15_ephemeris_20150119.txt 09-Nov-2025 23:14 107968 dmsp_16_ephemeris_20150119.txt 09-Nov-2025 23:14 107921 dmsp_17_ephemeris_20150119.txt 09-Nov-2025 23:14 107927 dmsp_18_ephemeris_20150119.txt 09-Nov-2025 23:14 107878 dmsp_19_ephemeris_20150119.txt 09-Nov-2025 23:14 107998