../ dmsp_15_ephemeris_20150218.txt 22-Jun-2023 16:19 108251 dmsp_16_ephemeris_20150218.txt 22-Jun-2023 16:19 108115 dmsp_17_ephemeris_20150218.txt 22-Jun-2023 16:19 108135 dmsp_18_ephemeris_20150218.txt 22-Jun-2023 16:19 108032 dmsp_19_ephemeris_20150218.txt 22-Jun-2023 16:19 108111