../ dmsp_08_ephemeris_19920131.txt 21-Jun-2023 23:44 108118 dmsp_09_ephemeris_19920131.txt 21-Jun-2023 23:44 107894 dmsp_10_ephemeris_19920131.txt 21-Jun-2023 23:44 108047 dmsp_11_ephemeris_19920131.txt 21-Jun-2023 23:44 108165