../ dmsp_10_ephemeris_19990912.txt 21-Jun-2023 23:53 311 dmsp_11_ephemeris_19990912.txt 21-Jun-2023 23:53 109732 dmsp_12_ephemeris_19990912.txt 21-Jun-2023 23:53 109670 dmsp_13_ephemeris_19990912.txt 21-Jun-2023 23:53 109743 dmsp_14_ephemeris_19990912.txt 21-Jun-2023 23:53 109607