../ dmsp_15_ephemeris_20150110.txt 22-Jun-2023 16:40 108016 dmsp_16_ephemeris_20150110.txt 22-Jun-2023 16:40 107983 dmsp_17_ephemeris_20150110.txt 22-Jun-2023 16:40 107873 dmsp_18_ephemeris_20150110.txt 22-Jun-2023 16:40 107815 dmsp_19_ephemeris_20150110.txt 22-Jun-2023 16:40 107907