../ dmsp_11_ephemeris_20000831.txt 21-Jun-2023 23:55 109770 dmsp_12_ephemeris_20000831.txt 21-Jun-2023 23:55 109838 dmsp_13_ephemeris_20000831.txt 21-Jun-2023 23:55 109810 dmsp_14_ephemeris_20000831.txt 21-Jun-2023 23:55 109662 dmsp_15_ephemeris_20000831.txt 21-Jun-2023 23:55 109719