../ dmsp_15_ephemeris_20160408.txt 22-Jun-2023 00:30 108102 dmsp_16_ephemeris_20160408.txt 22-Jun-2023 00:30 108234 dmsp_17_ephemeris_20160408.txt 22-Jun-2023 00:30 108233 dmsp_18_ephemeris_20160408.txt 22-Jun-2023 00:30 108245 dmsp_19_ephemeris_20160408.txt 22-Jun-2023 00:30 108308