../ dmsp_08_ephemeris_19920912.txt 21-Jun-2023 23:44 109491 dmsp_09_ephemeris_19920912.txt 21-Jun-2023 23:44 109424 dmsp_10_ephemeris_19920912.txt 21-Jun-2023 23:44 109717 dmsp_11_ephemeris_19920912.txt 21-Jun-2023 23:44 109801