../ dmsp_10_ephemeris_19970217.txt 21-Jun-2023 23:49 108074 dmsp_11_ephemeris_19970217.txt 21-Jun-2023 23:49 108144 dmsp_12_ephemeris_19970217.txt 21-Jun-2023 23:49 108041 dmsp_13_ephemeris_19970217.txt 21-Jun-2023 23:49 108031