../ dmsp_15_ephemeris_20150330.txt 22-Jun-2023 00:27 108170 dmsp_16_ephemeris_20150330.txt 22-Jun-2023 00:27 108207 dmsp_17_ephemeris_20150330.txt 22-Jun-2023 00:27 108145 dmsp_18_ephemeris_20150330.txt 22-Jun-2023 00:27 108092 dmsp_19_ephemeris_20150330.txt 22-Jun-2023 00:27 108287