../ dmsp_15_ephemeris_20220823.txt 22-Jun-2023 00:52 109682 dmsp_16_ephemeris_20220823.txt 22-Jun-2023 00:52 109672 dmsp_17_ephemeris_20220823.txt 22-Jun-2023 00:52 109797 dmsp_18_ephemeris_20220823.txt 22-Jun-2023 00:52 109485