../ dmsp_10_ephemeris_19970301.txt 21-Jun-2023 23:49 108147 dmsp_11_ephemeris_19970301.txt 21-Jun-2023 23:49 108268 dmsp_12_ephemeris_19970301.txt 21-Jun-2023 23:49 108172 dmsp_13_ephemeris_19970301.txt 21-Jun-2023 23:49 108174