../ dmsp_15_ephemeris_20220215.txt 22-Jun-2023 16:31 108174 dmsp_16_ephemeris_20220215.txt 22-Jun-2023 16:31 108184 dmsp_17_ephemeris_20220215.txt 22-Jun-2023 16:31 108001 dmsp_18_ephemeris_20220215.txt 22-Jun-2023 16:31 108130