../ dmsp_10_ephemeris_19980920.txt 21-Jun-2023 23:52 109600 dmsp_11_ephemeris_19980920.txt 21-Jun-2023 23:52 109834 dmsp_12_ephemeris_19980920.txt 21-Jun-2023 23:52 109556 dmsp_13_ephemeris_19980920.txt 21-Jun-2023 23:52 109779 dmsp_14_ephemeris_19980920.txt 21-Jun-2023 23:52 109638