../ dmsp_08_ephemeris_19911115.txt 21-Jun-2023 23:44 109515 dmsp_09_ephemeris_19911115.txt 21-Jun-2023 23:44 109391 dmsp_10_ephemeris_19911115.txt 21-Jun-2023 23:44 109555 dmsp_11_ephemeris_19911115.txt 21-Jun-2023 23:44 243