../ dmsp_15_ephemeris_20220804.txt 22-Jun-2023 00:52 109652 dmsp_16_ephemeris_20220804.txt 22-Jun-2023 00:52 109637 dmsp_17_ephemeris_20220804.txt 22-Jun-2023 00:52 109757 dmsp_18_ephemeris_20220804.txt 22-Jun-2023 00:52 109433