../ dmsp_10_ephemeris_19990419.txt 21-Jun-2023 23:53 109417 dmsp_11_ephemeris_19990419.txt 21-Jun-2023 23:53 109761 dmsp_12_ephemeris_19990419.txt 21-Jun-2023 23:53 109685 dmsp_13_ephemeris_19990419.txt 21-Jun-2023 23:53 109764 dmsp_14_ephemeris_19990419.txt 21-Jun-2023 23:53 109751