../ dmsp_11_ephemeris_20010428.txt 21-Jun-2023 23:56 109831 dmsp_12_ephemeris_20010428.txt 21-Jun-2023 23:56 109777 dmsp_13_ephemeris_20010428.txt 21-Jun-2023 23:56 109783 dmsp_14_ephemeris_20010428.txt 21-Jun-2023 23:56 109749 dmsp_15_ephemeris_20010428.txt 21-Jun-2023 23:56 109686