../ dmsp_11_ephemeris_20000731.txt 21-Jun-2023 23:54 109625 dmsp_12_ephemeris_20000731.txt 21-Jun-2023 23:54 109698 dmsp_13_ephemeris_20000731.txt 21-Jun-2023 23:54 109802 dmsp_14_ephemeris_20000731.txt 21-Jun-2023 23:54 109574 dmsp_15_ephemeris_20000731.txt 21-Jun-2023 23:54 109678