../ dmsp_10_ephemeris_19970227.txt 21-Jun-2023 23:49 108252 dmsp_11_ephemeris_19970227.txt 21-Jun-2023 23:49 108057 dmsp_12_ephemeris_19970227.txt 21-Jun-2023 23:49 108208 dmsp_13_ephemeris_19970227.txt 21-Jun-2023 23:49 108188