../ dmsp_15_ephemeris_20140206.txt 22-Jun-2023 00:24 108075 dmsp_16_ephemeris_20140206.txt 22-Jun-2023 00:24 108071 dmsp_17_ephemeris_20140206.txt 22-Jun-2023 00:24 107982 dmsp_18_ephemeris_20140206.txt 22-Jun-2023 00:24 108146