../ dmsp_11_ephemeris_20020428.txt 21-Jun-2023 23:57 109723 dmsp_12_ephemeris_20020428.txt 21-Jun-2023 23:57 109854 dmsp_13_ephemeris_20020428.txt 21-Jun-2023 23:57 109810 dmsp_14_ephemeris_20020428.txt 21-Jun-2023 23:57 109744 dmsp_15_ephemeris_20020428.txt 21-Jun-2023 23:57 109602