../ dmsp_15_ephemeris_20150120.txt 22-Jun-2023 00:27 107990 dmsp_16_ephemeris_20150120.txt 22-Jun-2023 00:27 107995 dmsp_17_ephemeris_20150120.txt 22-Jun-2023 00:27 107924 dmsp_18_ephemeris_20150120.txt 22-Jun-2023 00:27 108007 dmsp_19_ephemeris_20150120.txt 22-Jun-2023 00:27 107915