../ dmsp_15_ephemeris_20140124.txt 22-Jun-2023 00:23 108112 dmsp_16_ephemeris_20140124.txt 22-Jun-2023 00:23 108000 dmsp_17_ephemeris_20140124.txt 22-Jun-2023 00:23 107952 dmsp_18_ephemeris_20140124.txt 22-Jun-2023 00:23 107973