../ dmsp_15_ephemeris_20140127.txt 22-Jun-2023 00:23 108033 dmsp_16_ephemeris_20140127.txt 22-Jun-2023 00:23 107960 dmsp_17_ephemeris_20140127.txt 22-Jun-2023 00:23 107924 dmsp_18_ephemeris_20140127.txt 22-Jun-2023 00:23 107906