../ dmsp_10_ephemeris_19990420.txt 21-Jun-2023 23:53 109639 dmsp_11_ephemeris_19990420.txt 21-Jun-2023 23:53 109839 dmsp_12_ephemeris_19990420.txt 21-Jun-2023 23:53 109556 dmsp_13_ephemeris_19990420.txt 21-Jun-2023 23:53 109706 dmsp_14_ephemeris_19990420.txt 21-Jun-2023 23:53 109700