../ dmsp_10_ephemeris_19990920.txt 21-Jun-2023 23:53 243 dmsp_11_ephemeris_19990920.txt 21-Jun-2023 23:53 109605 dmsp_12_ephemeris_19990920.txt 21-Jun-2023 23:53 109601 dmsp_13_ephemeris_19990920.txt 21-Jun-2023 23:53 109819 dmsp_14_ephemeris_19990920.txt 21-Jun-2023 23:53 109688