../ dmsp_10_ephemeris_19990228.txt 21-Jun-2023 23:52 108135 dmsp_11_ephemeris_19990228.txt 21-Jun-2023 23:52 108097 dmsp_12_ephemeris_19990228.txt 21-Jun-2023 23:52 108145 dmsp_13_ephemeris_19990228.txt 21-Jun-2023 23:52 108133 dmsp_14_ephemeris_19990228.txt 21-Jun-2023 23:52 108218