../ dmsp_15_ephemeris_20150131.txt 22-Jun-2023 00:27 108053 dmsp_16_ephemeris_20150131.txt 22-Jun-2023 00:27 108116 dmsp_17_ephemeris_20150131.txt 22-Jun-2023 00:27 107977 dmsp_18_ephemeris_20150131.txt 22-Jun-2023 00:27 107859 dmsp_19_ephemeris_20150131.txt 22-Jun-2023 00:27 107978