../ dmsp_11_ephemeris_20000423.txt 21-Jun-2023 23:54 109690 dmsp_12_ephemeris_20000423.txt 21-Jun-2023 23:54 109659 dmsp_13_ephemeris_20000423.txt 21-Jun-2023 23:54 109675 dmsp_14_ephemeris_20000423.txt 21-Jun-2023 23:54 109672 dmsp_15_ephemeris_20000423.txt 21-Jun-2023 23:54 109741