../ dmsp_15_ephemeris_20131122.txt 22-Jun-2023 16:12 109502 dmsp_16_ephemeris_20131122.txt 22-Jun-2023 16:12 109425 dmsp_17_ephemeris_20131122.txt 22-Jun-2023 16:12 109403 dmsp_18_ephemeris_20131122.txt 22-Jun-2023 16:12 109410