../ dmsp_15_ephemeris_20160515.txt 22-Jun-2023 16:23 109539 dmsp_16_ephemeris_20160515.txt 22-Jun-2023 16:23 109594 dmsp_17_ephemeris_20160515.txt 22-Jun-2023 16:23 109673 dmsp_18_ephemeris_20160515.txt 22-Jun-2023 16:23 109456 dmsp_19_ephemeris_20160515.txt 22-Jun-2023 16:23 109747