../ dmsp_10_ephemeris_19980918.txt 21-Jun-2023 23:52 109603 dmsp_11_ephemeris_19980918.txt 21-Jun-2023 23:52 109774 dmsp_12_ephemeris_19980918.txt 21-Jun-2023 23:52 109715 dmsp_13_ephemeris_19980918.txt 21-Jun-2023 23:52 109815 dmsp_14_ephemeris_19980918.txt 21-Jun-2023 23:52 109628