../ dmsp_15_ephemeris_20150406.txt 22-Jun-2023 00:27 108146 dmsp_16_ephemeris_20150406.txt 22-Jun-2023 00:27 108142 dmsp_17_ephemeris_20150406.txt 22-Jun-2023 00:27 108212 dmsp_18_ephemeris_20150406.txt 22-Jun-2023 00:27 108250 dmsp_19_ephemeris_20150406.txt 22-Jun-2023 00:27 108189