../ dmsp_15_ephemeris_20150115.txt 10-Sep-2021 18:43 107967 dmsp_16_ephemeris_20150115.txt 10-Sep-2021 18:43 108041 dmsp_17_ephemeris_20150115.txt 10-Sep-2021 18:43 107920 dmsp_18_ephemeris_20150115.txt 10-Sep-2021 18:43 107884 dmsp_19_ephemeris_20150115.txt 10-Sep-2021 18:43 107830