../ dmsp_15_ephemeris_20140123.txt 22-Jun-2023 00:23 108062 dmsp_16_ephemeris_20140123.txt 22-Jun-2023 00:23 107856 dmsp_17_ephemeris_20140123.txt 22-Jun-2023 00:23 108007 dmsp_18_ephemeris_20140123.txt 22-Jun-2023 00:23 107963