../ dmsp_13_ephemeris_20091020.txt 22-Jun-2023 16:25 109456 dmsp_14_ephemeris_20091020.txt 22-Jun-2023 16:25 109516 dmsp_15_ephemeris_20091020.txt 22-Jun-2023 16:25 109502 dmsp_16_ephemeris_20091020.txt 22-Jun-2023 16:25 109552 dmsp_17_ephemeris_20091020.txt 22-Jun-2023 16:25 109644 dmsp_18_ephemeris_20091020.txt 22-Jun-2023 16:25 243