../ dmsp_11_ephemeris_20010820.txt 21-Jun-2023 23:56 109881 dmsp_12_ephemeris_20010820.txt 21-Jun-2023 23:56 109659 dmsp_13_ephemeris_20010820.txt 21-Jun-2023 23:56 109727 dmsp_14_ephemeris_20010820.txt 21-Jun-2023 23:56 109677 dmsp_15_ephemeris_20010820.txt 21-Jun-2023 23:56 109662