../ dmsp_15_ephemeris_20200224.txt 22-Jun-2023 00:43 108133 dmsp_16_ephemeris_20200224.txt 22-Jun-2023 00:43 108046 dmsp_17_ephemeris_20200224.txt 22-Jun-2023 00:43 108146 dmsp_18_ephemeris_20200224.txt 22-Jun-2023 00:43 107980