../ dmsp_15_ephemeris_20110302.txt 22-Jun-2023 16:11 108150 dmsp_16_ephemeris_20110302.txt 22-Jun-2023 16:11 108083 dmsp_17_ephemeris_20110302.txt 22-Jun-2023 16:11 108187 dmsp_18_ephemeris_20110302.txt 22-Jun-2023 16:11 108323