../ dmsp_10_ephemeris_19990831.txt 21-Jun-2023 23:53 109647 dmsp_11_ephemeris_19990831.txt 21-Jun-2023 23:53 109860 dmsp_12_ephemeris_19990831.txt 21-Jun-2023 23:53 109639 dmsp_13_ephemeris_19990831.txt 21-Jun-2023 23:53 109755 dmsp_14_ephemeris_19990831.txt 21-Jun-2023 23:53 109695