../ dmsp_10_ephemeris_19990831.txt 22-Jun-2023 15:50 109647 dmsp_11_ephemeris_19990831.txt 22-Jun-2023 15:50 109860 dmsp_12_ephemeris_19990831.txt 22-Jun-2023 15:50 109639 dmsp_13_ephemeris_19990831.txt 22-Jun-2023 15:50 109755 dmsp_14_ephemeris_19990831.txt 22-Jun-2023 15:50 109695