../ dmsp_15_ephemeris_20150226.txt 22-Jun-2023 00:27 108018 dmsp_16_ephemeris_20150226.txt 22-Jun-2023 00:27 108092 dmsp_17_ephemeris_20150226.txt 22-Jun-2023 00:27 108142 dmsp_18_ephemeris_20150226.txt 22-Jun-2023 00:27 108143 dmsp_19_ephemeris_20150226.txt 22-Jun-2023 00:27 108065