../ dmsp_15_ephemeris_20230203.txt 22-Jun-2023 00:54 108058 dmsp_16_ephemeris_20230203.txt 22-Jun-2023 00:54 108053 dmsp_17_ephemeris_20230203.txt 22-Jun-2023 00:54 107955 dmsp_18_ephemeris_20230203.txt 22-Jun-2023 00:54 108016