../ dmsp_08_ephemeris_19911115.txt 22-Jun-2023 15:42 109515 dmsp_09_ephemeris_19911115.txt 22-Jun-2023 15:42 109391 dmsp_10_ephemeris_19911115.txt 22-Jun-2023 15:42 109555 dmsp_11_ephemeris_19911115.txt 22-Jun-2023 15:42 243