../ dmsp_11_ephemeris_20000421.txt 21-Jun-2023 23:54 109821 dmsp_12_ephemeris_20000421.txt 21-Jun-2023 23:54 109711 dmsp_13_ephemeris_20000421.txt 21-Jun-2023 23:54 109753 dmsp_14_ephemeris_20000421.txt 21-Jun-2023 23:54 109603 dmsp_15_ephemeris_20000421.txt 21-Jun-2023 23:54 109693