../ dmsp_10_ephemeris_19971212.txt 21-Jun-2023 23:50 109443 dmsp_11_ephemeris_19971212.txt 21-Jun-2023 23:50 109434 dmsp_12_ephemeris_19971212.txt 21-Jun-2023 23:50 109485 dmsp_13_ephemeris_19971212.txt 21-Jun-2023 23:50 109371 dmsp_14_ephemeris_19971212.txt 21-Jun-2023 23:50 109507