../ dmsp_15_ephemeris_20220223.txt 22-Jun-2023 16:31 108211 dmsp_16_ephemeris_20220223.txt 22-Jun-2023 16:31 108153 dmsp_17_ephemeris_20220223.txt 22-Jun-2023 16:31 108143 dmsp_18_ephemeris_20220223.txt 22-Jun-2023 16:31 108103