../ dmsp_15_ephemeris_20230330.txt 22-Jun-2023 16:42 108149 dmsp_16_ephemeris_20230330.txt 22-Jun-2023 16:42 108207 dmsp_17_ephemeris_20230330.txt 22-Jun-2023 16:42 108111 dmsp_18_ephemeris_20230330.txt 22-Jun-2023 16:42 108249