../ dmsp_08_ephemeris_19920218.txt 21-Jun-2023 23:44 108107 dmsp_09_ephemeris_19920218.txt 21-Jun-2023 23:44 107818 dmsp_10_ephemeris_19920218.txt 21-Jun-2023 23:44 108179 dmsp_11_ephemeris_19920218.txt 21-Jun-2023 23:44 108153