../ dmsp_10_ephemeris_19980517.txt 21-Jun-2023 23:51 109557 dmsp_11_ephemeris_19980517.txt 21-Jun-2023 23:51 109771 dmsp_12_ephemeris_19980517.txt 21-Jun-2023 23:51 109654 dmsp_13_ephemeris_19980517.txt 21-Jun-2023 23:51 109785 dmsp_14_ephemeris_19980517.txt 21-Jun-2023 23:51 109752