../ dmsp_15_ephemeris_20120112.txt 22-Jun-2023 00:19 107935 dmsp_16_ephemeris_20120112.txt 22-Jun-2023 00:19 107871 dmsp_17_ephemeris_20120112.txt 22-Jun-2023 00:19 107955 dmsp_18_ephemeris_20120112.txt 22-Jun-2023 00:19 108067