../ dmsp_15_ephemeris_20110203.txt 22-Jun-2023 00:17 108016 dmsp_16_ephemeris_20110203.txt 22-Jun-2023 00:17 107994 dmsp_17_ephemeris_20110203.txt 22-Jun-2023 00:17 108134 dmsp_18_ephemeris_20110203.txt 22-Jun-2023 00:17 107977