../ dmsp_15_ephemeris_20160218.txt 22-Jun-2023 00:30 108175 dmsp_16_ephemeris_20160218.txt 22-Jun-2023 00:30 107967 dmsp_17_ephemeris_20160218.txt 22-Jun-2023 00:30 108002 dmsp_18_ephemeris_20160218.txt 22-Jun-2023 00:30 107992 dmsp_19_ephemeris_20160218.txt 22-Jun-2023 00:30 108098