../ dmsp_10_ephemeris_19990821.txt 21-Jun-2023 23:53 109616 dmsp_11_ephemeris_19990821.txt 21-Jun-2023 23:53 109677 dmsp_12_ephemeris_19990821.txt 21-Jun-2023 23:53 109799 dmsp_13_ephemeris_19990821.txt 21-Jun-2023 23:53 109798 dmsp_14_ephemeris_19990821.txt 21-Jun-2023 23:53 109784