../ dmsp_15_ephemeris_20160409.txt 22-Jun-2023 00:31 109477 dmsp_16_ephemeris_20160409.txt 22-Jun-2023 00:31 109670 dmsp_17_ephemeris_20160409.txt 22-Jun-2023 00:31 109701 dmsp_18_ephemeris_20160409.txt 22-Jun-2023 00:31 109672 dmsp_19_ephemeris_20160409.txt 22-Jun-2023 00:31 109728