../ dmsp_11_ephemeris_20000218.txt 21-Jun-2023 23:54 108044 dmsp_12_ephemeris_20000218.txt 21-Jun-2023 23:54 108223 dmsp_13_ephemeris_20000218.txt 21-Jun-2023 23:54 108175 dmsp_14_ephemeris_20000218.txt 21-Jun-2023 23:54 108055 dmsp_15_ephemeris_20000218.txt 21-Jun-2023 23:54 108155