../ dmsp_08_ephemeris_19920501.txt 21-Jun-2023 23:44 109459 dmsp_09_ephemeris_19920501.txt 21-Jun-2023 23:44 109439 dmsp_10_ephemeris_19920501.txt 21-Jun-2023 23:44 109855 dmsp_11_ephemeris_19920501.txt 21-Jun-2023 23:44 109659