../ dmsp_10_ephemeris_19981231.txt 21-Jun-2023 23:52 109403 dmsp_11_ephemeris_19981231.txt 21-Jun-2023 23:52 109469 dmsp_12_ephemeris_19981231.txt 21-Jun-2023 23:52 109274 dmsp_13_ephemeris_19981231.txt 21-Jun-2023 23:52 109326 dmsp_14_ephemeris_19981231.txt 21-Jun-2023 23:52 109442