../ dmsp_11_ephemeris_20000720.txt 21-Jun-2023 23:54 109627 dmsp_12_ephemeris_20000720.txt 21-Jun-2023 23:54 109583 dmsp_13_ephemeris_20000720.txt 21-Jun-2023 23:54 109763 dmsp_14_ephemeris_20000720.txt 21-Jun-2023 23:54 109589 dmsp_15_ephemeris_20000720.txt 21-Jun-2023 23:54 109654