../ dmsp_08_ephemeris_19920415.txt 21-Jun-2023 23:44 109383 dmsp_09_ephemeris_19920415.txt 21-Jun-2023 23:44 109421 dmsp_10_ephemeris_19920415.txt 21-Jun-2023 23:44 109940 dmsp_11_ephemeris_19920415.txt 21-Jun-2023 23:44 109838