../ dmsp_15_ephemeris_20170214.txt 22-Jun-2023 16:25 108173 dmsp_16_ephemeris_20170214.txt 22-Jun-2023 16:25 108085 dmsp_17_ephemeris_20170214.txt 22-Jun-2023 16:25 108020 dmsp_18_ephemeris_20170214.txt 22-Jun-2023 16:25 108056