../ dmsp_08_ephemeris_19911110.txt 21-Jun-2023 23:44 109514 dmsp_09_ephemeris_19911110.txt 21-Jun-2023 23:44 109312 dmsp_10_ephemeris_19911110.txt 21-Jun-2023 23:44 109698 dmsp_11_ephemeris_19911110.txt 21-Jun-2023 23:44 243