../ dmsp_15_ephemeris_20220208.txt 22-Jun-2023 16:31 108001 dmsp_16_ephemeris_20220208.txt 22-Jun-2023 16:31 108086 dmsp_17_ephemeris_20220208.txt 22-Jun-2023 16:31 108083 dmsp_18_ephemeris_20220208.txt 22-Jun-2023 16:31 108098