../ dmsp_11_ephemeris_20000521.txt 21-Jun-2023 23:54 109751 dmsp_12_ephemeris_20000521.txt 21-Jun-2023 23:54 109715 dmsp_13_ephemeris_20000521.txt 21-Jun-2023 23:54 109725 dmsp_14_ephemeris_20000521.txt 21-Jun-2023 23:54 109664 dmsp_15_ephemeris_20000521.txt 21-Jun-2023 23:54 109570