../ dmsp_08_ephemeris_19920531.txt 21-Jun-2023 23:44 109302 dmsp_09_ephemeris_19920531.txt 21-Jun-2023 23:44 109288 dmsp_10_ephemeris_19920531.txt 21-Jun-2023 23:44 109666 dmsp_11_ephemeris_19920531.txt 21-Jun-2023 23:44 109621