../ dmsp_08_ephemeris_19911107.txt 21-Jun-2023 23:44 109476 dmsp_09_ephemeris_19911107.txt 21-Jun-2023 23:44 109441 dmsp_10_ephemeris_19911107.txt 21-Jun-2023 23:44 109538 dmsp_11_ephemeris_19911107.txt 21-Jun-2023 23:44 243