../ dmsp_10_ephemeris_19960821.txt 21-Jun-2023 23:48 109708 dmsp_11_ephemeris_19960821.txt 21-Jun-2023 23:48 109703 dmsp_12_ephemeris_19960821.txt 21-Jun-2023 23:48 109688 dmsp_13_ephemeris_19960821.txt 21-Jun-2023 23:48 109729