../ dmsp_15_ephemeris_20150115.txt 22-Jun-2023 16:15 107967 dmsp_16_ephemeris_20150115.txt 22-Jun-2023 16:15 108041 dmsp_17_ephemeris_20150115.txt 22-Jun-2023 16:15 107920 dmsp_18_ephemeris_20150115.txt 22-Jun-2023 16:15 107884 dmsp_19_ephemeris_20150115.txt 22-Jun-2023 16:15 107830