../ dmsp_15_ephemeris_20230126.txt 22-Jun-2023 16:41 107918 dmsp_16_ephemeris_20230126.txt 22-Jun-2023 16:41 108062 dmsp_17_ephemeris_20230126.txt 22-Jun-2023 16:41 107952 dmsp_18_ephemeris_20230126.txt 22-Jun-2023 16:41 108035