../ dmsp_10_ephemeris_19950521.txt 21-Jun-2023 23:47 109437 dmsp_11_ephemeris_19950521.txt 21-Jun-2023 23:47 109837 dmsp_12_ephemeris_19950521.txt 21-Jun-2023 23:47 109648 dmsp_13_ephemeris_19950521.txt 21-Jun-2023 23:47 109873