../ dmsp_10_ephemeris_19990731.txt 21-Jun-2023 23:53 109559 dmsp_11_ephemeris_19990731.txt 21-Jun-2023 23:53 109713 dmsp_12_ephemeris_19990731.txt 21-Jun-2023 23:53 109662 dmsp_13_ephemeris_19990731.txt 21-Jun-2023 23:53 109740 dmsp_14_ephemeris_19990731.txt 21-Jun-2023 23:53 109703