../ dmsp_15_ephemeris_20160914.txt 22-Jun-2023 16:24 109644 dmsp_16_ephemeris_20160914.txt 22-Jun-2023 16:24 109599 dmsp_17_ephemeris_20160914.txt 22-Jun-2023 16:24 109626 dmsp_18_ephemeris_20160914.txt 22-Jun-2023 16:24 109638 dmsp_19_ephemeris_20160914.txt 22-Jun-2023 16:24 109659