../ dmsp_08_ephemeris_19920918.txt 21-Jun-2023 23:45 109595 dmsp_09_ephemeris_19920918.txt 21-Jun-2023 23:45 109391 dmsp_10_ephemeris_19920918.txt 21-Jun-2023 23:45 109813 dmsp_11_ephemeris_19920918.txt 21-Jun-2023 23:45 109842