../ dmsp_15_ephemeris_20160229.txt 22-Jun-2023 00:30 108174 dmsp_16_ephemeris_20160229.txt 22-Jun-2023 00:30 108208 dmsp_17_ephemeris_20160229.txt 22-Jun-2023 00:30 108214 dmsp_18_ephemeris_20160229.txt 22-Jun-2023 00:30 108127 dmsp_19_ephemeris_20160229.txt 22-Jun-2023 00:30 108151