../ dmsp_15_ephemeris_20150714.txt 22-Jun-2023 16:20 109526 dmsp_16_ephemeris_20150714.txt 22-Jun-2023 16:20 109470 dmsp_17_ephemeris_20150714.txt 22-Jun-2023 16:20 109719 dmsp_18_ephemeris_20150714.txt 22-Jun-2023 16:20 109585 dmsp_19_ephemeris_20150714.txt 22-Jun-2023 16:20 109687