../ dmsp_10_ephemeris_19980411.txt 21-Jun-2023 23:51 109731 dmsp_11_ephemeris_19980411.txt 21-Jun-2023 23:51 109830 dmsp_12_ephemeris_19980411.txt 21-Jun-2023 23:51 109657 dmsp_13_ephemeris_19980411.txt 21-Jun-2023 23:51 109766 dmsp_14_ephemeris_19980411.txt 21-Jun-2023 23:51 109716