../ dmsp_10_ephemeris_19990917.txt 21-Jun-2023 23:53 243 dmsp_11_ephemeris_19990917.txt 21-Jun-2023 23:53 109746 dmsp_12_ephemeris_19990917.txt 21-Jun-2023 23:53 109670 dmsp_13_ephemeris_19990917.txt 21-Jun-2023 23:53 109638 dmsp_14_ephemeris_19990917.txt 21-Jun-2023 23:53 109754