../ dmsp_10_ephemeris_19970831.txt 21-Jun-2023 23:50 109675 dmsp_11_ephemeris_19970831.txt 21-Jun-2023 23:50 109715 dmsp_12_ephemeris_19970831.txt 21-Jun-2023 23:50 109603 dmsp_13_ephemeris_19970831.txt 21-Jun-2023 23:50 109770 dmsp_14_ephemeris_19970831.txt 21-Jun-2023 23:50 109695