../ dmsp_15_ephemeris_20140329.txt 22-Jun-2023 00:24 108154 dmsp_16_ephemeris_20140329.txt 22-Jun-2023 00:24 108162 dmsp_17_ephemeris_20140329.txt 22-Jun-2023 00:24 108260 dmsp_18_ephemeris_20140329.txt 22-Jun-2023 00:24 108226