../ dmsp_08_ephemeris_19920428.txt 21-Jun-2023 23:44 109374 dmsp_09_ephemeris_19920428.txt 21-Jun-2023 23:44 109376 dmsp_10_ephemeris_19920428.txt 21-Jun-2023 23:44 109844 dmsp_11_ephemeris_19920428.txt 21-Jun-2023 23:44 109853