../ dmsp_15_ephemeris_20140919.txt 22-Jun-2023 16:39 109541 dmsp_16_ephemeris_20140919.txt 22-Jun-2023 16:39 109797 dmsp_17_ephemeris_20140919.txt 22-Jun-2023 16:39 109631 dmsp_18_ephemeris_20140919.txt 22-Jun-2023 16:39 109670 dmsp_19_ephemeris_20140919.txt 22-Jun-2023 16:39 109619