../ dmsp_11_ephemeris_20000520.txt 21-Jun-2023 23:54 109594 dmsp_12_ephemeris_20000520.txt 21-Jun-2023 23:54 109580 dmsp_13_ephemeris_20000520.txt 21-Jun-2023 23:54 109755 dmsp_14_ephemeris_20000520.txt 21-Jun-2023 23:54 109676 dmsp_15_ephemeris_20000520.txt 21-Jun-2023 23:54 109603