../ dmsp_15_ephemeris_20150503.txt 22-Jun-2023 16:16 109405 dmsp_16_ephemeris_20150503.txt 22-Jun-2023 16:16 109608 dmsp_17_ephemeris_20150503.txt 22-Jun-2023 16:16 109637 dmsp_18_ephemeris_20150503.txt 22-Jun-2023 16:16 109585 dmsp_19_ephemeris_20150503.txt 22-Jun-2023 16:16 109720