../ dmsp_15_ephemeris_20140129.txt 22-Jun-2023 00:24 108055 dmsp_16_ephemeris_20140129.txt 22-Jun-2023 00:24 107911 dmsp_17_ephemeris_20140129.txt 22-Jun-2023 00:24 108016 dmsp_18_ephemeris_20140129.txt 22-Jun-2023 00:24 108052