../ dmsp_11_ephemeris_19991213.txt 21-Jun-2023 23:53 109434 dmsp_12_ephemeris_19991213.txt 21-Jun-2023 23:53 109539 dmsp_13_ephemeris_19991213.txt 21-Jun-2023 23:53 109381 dmsp_14_ephemeris_19991213.txt 21-Jun-2023 23:53 109438 dmsp_15_ephemeris_19991213.txt 21-Jun-2023 23:53 109381