../ dmsp_15_ephemeris_20160409.txt 09-Nov-2025 23:24 109477 dmsp_16_ephemeris_20160409.txt 09-Nov-2025 23:24 109670 dmsp_17_ephemeris_20160409.txt 09-Nov-2025 23:24 109701 dmsp_18_ephemeris_20160409.txt 09-Nov-2025 23:24 109672 dmsp_19_ephemeris_20160409.txt 09-Nov-2025 23:24 109728