../ dmsp_15_ephemeris_20141231.txt 22-Jun-2023 16:18 109335 dmsp_16_ephemeris_20141231.txt 22-Jun-2023 16:18 109294 dmsp_17_ephemeris_20141231.txt 22-Jun-2023 16:18 109367 dmsp_18_ephemeris_20141231.txt 22-Jun-2023 16:18 109405 dmsp_19_ephemeris_20141231.txt 22-Jun-2023 16:18 109267