../ dmsp_15_ephemeris_20230124.txt 22-Jun-2023 00:54 107914 dmsp_16_ephemeris_20230124.txt 22-Jun-2023 00:54 108075 dmsp_17_ephemeris_20230124.txt 22-Jun-2023 00:54 107816 dmsp_18_ephemeris_20230124.txt 22-Jun-2023 00:54 108044