../ dmsp_15_ephemeris_20220223.txt 22-Jun-2023 17:05 108211 dmsp_16_ephemeris_20220223.txt 22-Jun-2023 17:05 108153 dmsp_17_ephemeris_20220223.txt 22-Jun-2023 17:05 108143 dmsp_18_ephemeris_20220223.txt 22-Jun-2023 17:05 108103