../ dmsp_10_ephemeris_19970215.txt 21-Jun-2023 23:49 108031 dmsp_11_ephemeris_19970215.txt 21-Jun-2023 23:49 108163 dmsp_12_ephemeris_19970215.txt 21-Jun-2023 23:49 108209 dmsp_13_ephemeris_19970215.txt 21-Jun-2023 23:49 108182