../ dmsp_15_ephemeris_20160725.txt 22-Jun-2023 00:31 109531 dmsp_16_ephemeris_20160725.txt 22-Jun-2023 00:31 109626 dmsp_17_ephemeris_20160725.txt 22-Jun-2023 00:31 109597 dmsp_18_ephemeris_20160725.txt 22-Jun-2023 00:31 109796 dmsp_19_ephemeris_20160725.txt 22-Jun-2023 00:31 109840