../ dmsp_10_ephemeris_19970531.txt 21-Jun-2023 23:49 109491 dmsp_11_ephemeris_19970531.txt 21-Jun-2023 23:49 109719 dmsp_12_ephemeris_19970531.txt 21-Jun-2023 23:49 109493 dmsp_13_ephemeris_19970531.txt 21-Jun-2023 23:49 109747 dmsp_14_ephemeris_19970531.txt 21-Jun-2023 23:49 109741