../ dmsp_15_ephemeris_20160801.txt 22-Jun-2023 16:23 109530 dmsp_16_ephemeris_20160801.txt 22-Jun-2023 16:23 109637 dmsp_17_ephemeris_20160801.txt 22-Jun-2023 16:23 109600 dmsp_18_ephemeris_20160801.txt 22-Jun-2023 16:23 109720 dmsp_19_ephemeris_20160801.txt 22-Jun-2023 16:23 109679