../ dmsp_10_ephemeris_19980421.txt 21-Jun-2023 23:51 109603 dmsp_11_ephemeris_19980421.txt 21-Jun-2023 23:51 109800 dmsp_12_ephemeris_19980421.txt 21-Jun-2023 23:51 109612 dmsp_13_ephemeris_19980421.txt 21-Jun-2023 23:51 109758 dmsp_14_ephemeris_19980421.txt 21-Jun-2023 23:51 109668