../ dmsp_15_ephemeris_20200126.txt 22-Jun-2023 00:43 108075 dmsp_16_ephemeris_20200126.txt 22-Jun-2023 00:43 108035 dmsp_17_ephemeris_20200126.txt 22-Jun-2023 00:43 107822 dmsp_18_ephemeris_20200126.txt 22-Jun-2023 00:43 107916