../ dmsp_15_ephemeris_20221228.txt 22-Jun-2023 00:54 109257 dmsp_16_ephemeris_20221228.txt 22-Jun-2023 00:54 109319 dmsp_17_ephemeris_20221228.txt 22-Jun-2023 00:54 109293 dmsp_18_ephemeris_20221228.txt 22-Jun-2023 00:54 109391