../ dmsp_11_ephemeris_20000221.txt 21-Jun-2023 23:54 108087 dmsp_12_ephemeris_20000221.txt 21-Jun-2023 23:54 107999 dmsp_13_ephemeris_20000221.txt 21-Jun-2023 23:54 108020 dmsp_14_ephemeris_20000221.txt 21-Jun-2023 23:54 108076 dmsp_15_ephemeris_20000221.txt 21-Jun-2023 23:54 107997