../ dmsp_11_ephemeris_20000819.txt 21-Jun-2023 23:55 109809 dmsp_12_ephemeris_20000819.txt 21-Jun-2023 23:55 109796 dmsp_13_ephemeris_20000819.txt 21-Jun-2023 23:55 109753 dmsp_14_ephemeris_20000819.txt 21-Jun-2023 23:55 109686 dmsp_15_ephemeris_20000819.txt 21-Jun-2023 23:55 109617