../ dmsp_15_ephemeris_20200201.txt 22-Jun-2023 00:43 108096 dmsp_16_ephemeris_20200201.txt 22-Jun-2023 00:43 107988 dmsp_17_ephemeris_20200201.txt 22-Jun-2023 00:43 107915 dmsp_18_ephemeris_20200201.txt 22-Jun-2023 00:43 108049