../ dmsp_11_ephemeris_20000419.txt 21-Jun-2023 23:54 109710 dmsp_12_ephemeris_20000419.txt 21-Jun-2023 23:54 109783 dmsp_13_ephemeris_20000419.txt 21-Jun-2023 23:54 109726 dmsp_14_ephemeris_20000419.txt 21-Jun-2023 23:54 109624 dmsp_15_ephemeris_20000419.txt 21-Jun-2023 23:54 109638