../ dmsp_15_ephemeris_20140219.txt 22-Jun-2023 00:24 108069 dmsp_16_ephemeris_20140219.txt 22-Jun-2023 00:24 107997 dmsp_17_ephemeris_20140219.txt 22-Jun-2023 00:24 107953 dmsp_18_ephemeris_20140219.txt 22-Jun-2023 00:24 108075