../ dmsp_10_ephemeris_19990918.txt 22-Jun-2023 15:50 243 dmsp_11_ephemeris_19990918.txt 22-Jun-2023 15:50 109857 dmsp_12_ephemeris_19990918.txt 22-Jun-2023 15:50 109648 dmsp_13_ephemeris_19990918.txt 22-Jun-2023 15:50 109869 dmsp_14_ephemeris_19990918.txt 22-Jun-2023 15:50 109755