../ dmsp_13_ephemeris_20040415.txt 22-Jun-2023 00:01 109717 dmsp_14_ephemeris_20040415.txt 22-Jun-2023 00:01 109639 dmsp_15_ephemeris_20040415.txt 22-Jun-2023 00:01 109641 dmsp_16_ephemeris_20040415.txt 22-Jun-2023 00:01 109797