../ dmsp_08_ephemeris_19921012.txt 21-Jun-2023 23:45 109462 dmsp_09_ephemeris_19921012.txt 21-Jun-2023 23:45 109451 dmsp_10_ephemeris_19921012.txt 21-Jun-2023 23:45 109795 dmsp_11_ephemeris_19921012.txt 21-Jun-2023 23:45 109686