../ dmsp_15_ephemeris_20220330.txt 22-Jun-2023 00:50 108287 dmsp_16_ephemeris_20220330.txt 22-Jun-2023 00:50 108234 dmsp_17_ephemeris_20220330.txt 22-Jun-2023 00:50 108200 dmsp_18_ephemeris_20220330.txt 22-Jun-2023 00:50 108115