../ dmsp_10_ephemeris_19970220.txt 21-Jun-2023 23:49 107982 dmsp_11_ephemeris_19970220.txt 21-Jun-2023 23:49 108142 dmsp_12_ephemeris_19970220.txt 21-Jun-2023 23:49 108183 dmsp_13_ephemeris_19970220.txt 21-Jun-2023 23:49 108230