../ dmsp_10_ephemeris_19970221.txt 21-Jun-2023 23:49 108097 dmsp_11_ephemeris_19970221.txt 21-Jun-2023 23:49 108224 dmsp_12_ephemeris_19970221.txt 21-Jun-2023 23:49 108103 dmsp_13_ephemeris_19970221.txt 21-Jun-2023 23:49 108116