../ dmsp_15_ephemeris_20160523.txt 22-Jun-2023 00:31 109510 dmsp_16_ephemeris_20160523.txt 22-Jun-2023 00:31 109610 dmsp_17_ephemeris_20160523.txt 22-Jun-2023 00:31 109598 dmsp_18_ephemeris_20160523.txt 22-Jun-2023 00:31 109559 dmsp_19_ephemeris_20160523.txt 22-Jun-2023 00:31 109634