../ dmsp_15_ephemeris_20160320.txt 22-Jun-2023 16:22 108257 dmsp_16_ephemeris_20160320.txt 22-Jun-2023 16:22 108198 dmsp_17_ephemeris_20160320.txt 22-Jun-2023 16:22 108158 dmsp_18_ephemeris_20160320.txt 22-Jun-2023 16:22 108244 dmsp_19_ephemeris_20160320.txt 22-Jun-2023 16:22 108255