../ dmsp_10_ephemeris_19970227.txt 22-Jun-2023 15:47 108252 dmsp_11_ephemeris_19970227.txt 22-Jun-2023 15:47 108057 dmsp_12_ephemeris_19970227.txt 22-Jun-2023 15:47 108208 dmsp_13_ephemeris_19970227.txt 22-Jun-2023 15:47 108188