../ dmsp_15_ephemeris_20110327.txt 22-Jun-2023 00:17 108125 dmsp_16_ephemeris_20110327.txt 22-Jun-2023 00:17 108150 dmsp_17_ephemeris_20110327.txt 22-Jun-2023 00:17 108165 dmsp_18_ephemeris_20110327.txt 22-Jun-2023 00:17 108343