../ dmsp_08_ephemeris_19920121.txt 21-Jun-2023 23:44 107956 dmsp_09_ephemeris_19920121.txt 21-Jun-2023 23:44 107875 dmsp_10_ephemeris_19920121.txt 21-Jun-2023 23:44 108074 dmsp_11_ephemeris_19920121.txt 21-Jun-2023 23:44 107972