../ dmsp_15_ephemeris_20120327.txt 22-Jun-2023 00:19 108158 dmsp_16_ephemeris_20120327.txt 22-Jun-2023 00:19 108185 dmsp_17_ephemeris_20120327.txt 22-Jun-2023 00:19 108281 dmsp_18_ephemeris_20120327.txt 22-Jun-2023 00:19 108270