../ dmsp_08_ephemeris_19920919.txt 21-Jun-2023 23:45 109456 dmsp_09_ephemeris_19920919.txt 21-Jun-2023 23:45 109570 dmsp_10_ephemeris_19920919.txt 21-Jun-2023 23:45 109727 dmsp_11_ephemeris_19920919.txt 21-Jun-2023 23:45 109797