../ dmsp_08_ephemeris_19920502.txt 21-Jun-2023 23:44 109465 dmsp_09_ephemeris_19920502.txt 21-Jun-2023 23:44 109383 dmsp_10_ephemeris_19920502.txt 21-Jun-2023 23:44 109644 dmsp_11_ephemeris_19920502.txt 21-Jun-2023 23:44 109833