../ dmsp_15_ephemeris_20140917.txt 22-Jun-2023 00:25 109601 dmsp_16_ephemeris_20140917.txt 22-Jun-2023 00:25 109485 dmsp_17_ephemeris_20140917.txt 22-Jun-2023 00:25 109741 dmsp_18_ephemeris_20140917.txt 22-Jun-2023 00:25 109660 dmsp_19_ephemeris_20140917.txt 22-Jun-2023 00:25 109657