../ dmsp_15_ephemeris_20230214.txt 22-Jun-2023 00:55 108074 dmsp_16_ephemeris_20230214.txt 22-Jun-2023 00:55 108047 dmsp_17_ephemeris_20230214.txt 22-Jun-2023 00:55 107959 dmsp_18_ephemeris_20230214.txt 22-Jun-2023 00:55 107975