../ dmsp_08_ephemeris_19920427.txt 21-Jun-2023 23:44 109437 dmsp_09_ephemeris_19920427.txt 21-Jun-2023 23:44 109374 dmsp_10_ephemeris_19920427.txt 21-Jun-2023 23:44 109679 dmsp_11_ephemeris_19920427.txt 21-Jun-2023 23:44 109844