../ dmsp_08_ephemeris_19920228.txt 21-Jun-2023 23:44 108062 dmsp_09_ephemeris_19920228.txt 21-Jun-2023 23:44 107984 dmsp_10_ephemeris_19920228.txt 21-Jun-2023 23:44 108187 dmsp_11_ephemeris_19920228.txt 21-Jun-2023 23:44 108318