../ dmsp_15_ephemeris_20200302.txt 22-Jun-2023 00:43 108096 dmsp_16_ephemeris_20200302.txt 22-Jun-2023 00:43 108154 dmsp_17_ephemeris_20200302.txt 22-Jun-2023 00:43 108101 dmsp_18_ephemeris_20200302.txt 22-Jun-2023 00:43 108150