../ dmsp_08_ephemeris_19920818.txt 21-Jun-2023 23:44 109497 dmsp_09_ephemeris_19920818.txt 21-Jun-2023 23:44 109448 dmsp_10_ephemeris_19920818.txt 21-Jun-2023 23:44 109728 dmsp_11_ephemeris_19920818.txt 21-Jun-2023 23:44 109834