../ dmsp_10_ephemeris_19990501.txt 21-Jun-2023 23:53 109554 dmsp_11_ephemeris_19990501.txt 21-Jun-2023 23:53 109723 dmsp_12_ephemeris_19990501.txt 21-Jun-2023 23:53 109727 dmsp_13_ephemeris_19990501.txt 21-Jun-2023 23:53 109729 dmsp_14_ephemeris_19990501.txt 21-Jun-2023 23:53 109805