../ dmsp_10_ephemeris_19990718.txt 21-Jun-2023 23:53 109470 dmsp_11_ephemeris_19990718.txt 21-Jun-2023 23:53 109782 dmsp_12_ephemeris_19990718.txt 21-Jun-2023 23:53 109475 dmsp_13_ephemeris_19990718.txt 21-Jun-2023 23:53 109706 dmsp_14_ephemeris_19990718.txt 21-Jun-2023 23:53 109519