../ dmsp_11_ephemeris_20000428.txt 21-Jun-2023 23:54 109733 dmsp_12_ephemeris_20000428.txt 21-Jun-2023 23:54 109628 dmsp_13_ephemeris_20000428.txt 21-Jun-2023 23:54 109828 dmsp_14_ephemeris_20000428.txt 21-Jun-2023 23:54 109659 dmsp_15_ephemeris_20000428.txt 21-Jun-2023 23:54 109782