../ dmsp_10_ephemeris_19990531.txt 21-Jun-2023 23:53 109398 dmsp_11_ephemeris_19990531.txt 21-Jun-2023 23:53 109785 dmsp_12_ephemeris_19990531.txt 21-Jun-2023 23:53 109588 dmsp_13_ephemeris_19990531.txt 21-Jun-2023 23:53 109699 dmsp_14_ephemeris_19990531.txt 21-Jun-2023 23:53 109545