../ dmsp_08_ephemeris_19920504.txt 21-Jun-2023 23:44 109350 dmsp_09_ephemeris_19920504.txt 21-Jun-2023 23:44 109349 dmsp_10_ephemeris_19920504.txt 21-Jun-2023 23:44 109673 dmsp_11_ephemeris_19920504.txt 21-Jun-2023 23:44 109710