../ dmsp_15_ephemeris_20130919.txt 22-Jun-2023 16:35 109726 dmsp_16_ephemeris_20130919.txt 22-Jun-2023 16:35 109560 dmsp_17_ephemeris_20130919.txt 22-Jun-2023 16:35 109667 dmsp_18_ephemeris_20130919.txt 22-Jun-2023 16:35 109674