../ dmsp_15_ephemeris_20160909.txt 22-Jun-2023 16:23 109646 dmsp_16_ephemeris_20160909.txt 22-Jun-2023 16:23 109634 dmsp_17_ephemeris_20160909.txt 22-Jun-2023 16:23 109697 dmsp_18_ephemeris_20160909.txt 22-Jun-2023 16:23 109670 dmsp_19_ephemeris_20160909.txt 22-Jun-2023 16:23 109751