../ dmsp_15_ephemeris_20110213.txt 22-Jun-2023 16:10 108089 dmsp_16_ephemeris_20110213.txt 22-Jun-2023 16:10 108032 dmsp_17_ephemeris_20110213.txt 22-Jun-2023 16:10 108060 dmsp_18_ephemeris_20110213.txt 22-Jun-2023 16:10 108044