../ dmsp_11_ephemeris_20010521.txt 21-Jun-2023 23:56 109535 dmsp_12_ephemeris_20010521.txt 21-Jun-2023 23:56 109698 dmsp_13_ephemeris_20010521.txt 21-Jun-2023 23:56 109688 dmsp_14_ephemeris_20010521.txt 21-Jun-2023 23:56 109677 dmsp_15_ephemeris_20010521.txt 21-Jun-2023 23:56 109603