../ dmsp_08_ephemeris_19911112.txt 21-Jun-2023 23:44 109452 dmsp_09_ephemeris_19911112.txt 21-Jun-2023 23:44 109263 dmsp_10_ephemeris_19911112.txt 21-Jun-2023 23:44 109451 dmsp_11_ephemeris_19911112.txt 21-Jun-2023 23:44 243