../ dmsp_15_ephemeris_20130215.txt 22-Jun-2023 16:34 108054 dmsp_16_ephemeris_20130215.txt 22-Jun-2023 16:34 108055 dmsp_17_ephemeris_20130215.txt 22-Jun-2023 16:34 108110 dmsp_18_ephemeris_20130215.txt 22-Jun-2023 16:34 108096