../ dmsp_10_ephemeris_19960918.txt 21-Jun-2023 23:48 109570 dmsp_11_ephemeris_19960918.txt 21-Jun-2023 23:48 109794 dmsp_12_ephemeris_19960918.txt 21-Jun-2023 23:48 109701 dmsp_13_ephemeris_19960918.txt 21-Jun-2023 23:48 109775