../ dmsp_15_ephemeris_20140917.txt 22-Jun-2023 16:39 109601 dmsp_16_ephemeris_20140917.txt 22-Jun-2023 16:39 109485 dmsp_17_ephemeris_20140917.txt 22-Jun-2023 16:39 109741 dmsp_18_ephemeris_20140917.txt 22-Jun-2023 16:39 109660 dmsp_19_ephemeris_20140917.txt 22-Jun-2023 16:39 109657