../ dmsp_15_ephemeris_20161227.txt 22-Jun-2023 16:24 109361 dmsp_16_ephemeris_20161227.txt 22-Jun-2023 16:24 109342 dmsp_17_ephemeris_20161227.txt 22-Jun-2023 16:24 109380 dmsp_18_ephemeris_20161227.txt 22-Jun-2023 16:24 109348