../ dmsp_11_ephemeris_20000227.txt 21-Jun-2023 23:54 108146 dmsp_12_ephemeris_20000227.txt 21-Jun-2023 23:54 108134 dmsp_13_ephemeris_20000227.txt 21-Jun-2023 23:54 108163 dmsp_14_ephemeris_20000227.txt 21-Jun-2023 23:54 108193 dmsp_15_ephemeris_20000227.txt 21-Jun-2023 23:54 108155