../ dmsp_15_ephemeris_20140901.txt 22-Jun-2023 00:25 109497 dmsp_16_ephemeris_20140901.txt 22-Jun-2023 00:25 109627 dmsp_17_ephemeris_20140901.txt 22-Jun-2023 00:25 109737 dmsp_18_ephemeris_20140901.txt 22-Jun-2023 00:25 109564 dmsp_19_ephemeris_20140901.txt 22-Jun-2023 00:25 109796