../ dmsp_11_ephemeris_20000411.txt 21-Jun-2023 23:54 109704 dmsp_12_ephemeris_20000411.txt 21-Jun-2023 23:54 109826 dmsp_13_ephemeris_20000411.txt 21-Jun-2023 23:54 109827 dmsp_14_ephemeris_20000411.txt 21-Jun-2023 23:54 109766 dmsp_15_ephemeris_20000411.txt 21-Jun-2023 23:54 109676