../ dmsp_15_ephemeris_20170206.txt 22-Jun-2023 16:48 108012 dmsp_16_ephemeris_20170206.txt 22-Jun-2023 16:48 108128 dmsp_17_ephemeris_20170206.txt 22-Jun-2023 16:48 108035 dmsp_18_ephemeris_20170206.txt 22-Jun-2023 16:48 107906