../ dmsp_08_ephemeris_19911207.txt 21-Jun-2023 23:44 109553 dmsp_09_ephemeris_19911207.txt 21-Jun-2023 23:44 109365 dmsp_10_ephemeris_19911207.txt 21-Jun-2023 23:44 109516 dmsp_11_ephemeris_19911207.txt 21-Jun-2023 23:44 109434