../ dmsp_10_ephemeris_19970721.txt 21-Jun-2023 23:50 109576 dmsp_11_ephemeris_19970721.txt 21-Jun-2023 23:50 109697 dmsp_12_ephemeris_19970721.txt 21-Jun-2023 23:50 109547 dmsp_13_ephemeris_19970721.txt 21-Jun-2023 23:50 109701 dmsp_14_ephemeris_19970721.txt 21-Jun-2023 23:50 109585