../ dmsp_15_ephemeris_20160712.txt 22-Jun-2023 00:31 109563 dmsp_16_ephemeris_20160712.txt 22-Jun-2023 00:31 109490 dmsp_17_ephemeris_20160712.txt 22-Jun-2023 00:31 109603 dmsp_18_ephemeris_20160712.txt 22-Jun-2023 00:31 109618 dmsp_19_ephemeris_20160712.txt 22-Jun-2023 00:31 109600