../ dmsp_08_ephemeris_19920411.txt 21-Jun-2023 23:44 109565 dmsp_09_ephemeris_19920411.txt 21-Jun-2023 23:44 109386 dmsp_10_ephemeris_19920411.txt 21-Jun-2023 23:44 109791 dmsp_11_ephemeris_19920411.txt 21-Jun-2023 23:44 109777