../ dmsp_11_ephemeris_20000418.txt 21-Jun-2023 23:54 109747 dmsp_12_ephemeris_20000418.txt 21-Jun-2023 23:54 109750 dmsp_13_ephemeris_20000418.txt 21-Jun-2023 23:54 109809 dmsp_14_ephemeris_20000418.txt 21-Jun-2023 23:54 109721 dmsp_15_ephemeris_20000418.txt 21-Jun-2023 23:54 109719