../ dmsp_10_ephemeris_19990930.txt 21-Jun-2023 23:53 243 dmsp_11_ephemeris_19990930.txt 21-Jun-2023 23:53 109835 dmsp_12_ephemeris_19990930.txt 21-Jun-2023 23:53 109618 dmsp_13_ephemeris_19990930.txt 21-Jun-2023 23:53 109667 dmsp_14_ephemeris_19990930.txt 21-Jun-2023 23:53 109765