../ dmsp_15_ephemeris_20200206.txt 22-Jun-2023 00:43 108035 dmsp_16_ephemeris_20200206.txt 22-Jun-2023 00:43 108084 dmsp_17_ephemeris_20200206.txt 22-Jun-2023 00:43 107973 dmsp_18_ephemeris_20200206.txt 22-Jun-2023 00:43 108017