../ dmsp_15_ephemeris_20131023.txt 22-Jun-2023 16:15 109595 dmsp_16_ephemeris_20131023.txt 22-Jun-2023 16:15 109543 dmsp_17_ephemeris_20131023.txt 22-Jun-2023 16:15 109633 dmsp_18_ephemeris_20131023.txt 22-Jun-2023 16:15 109361