../ dmsp_08_ephemeris_19920401.txt 21-Jun-2023 23:44 108052 dmsp_09_ephemeris_19920401.txt 21-Jun-2023 23:44 107985 dmsp_10_ephemeris_19920401.txt 21-Jun-2023 23:44 108293 dmsp_11_ephemeris_19920401.txt 21-Jun-2023 23:44 108338