../ dmsp_10_ephemeris_19990918.txt 21-Jun-2023 23:53 243 dmsp_11_ephemeris_19990918.txt 21-Jun-2023 23:53 109857 dmsp_12_ephemeris_19990918.txt 21-Jun-2023 23:53 109648 dmsp_13_ephemeris_19990918.txt 21-Jun-2023 23:53 109869 dmsp_14_ephemeris_19990918.txt 21-Jun-2023 23:53 109755