59 Leonis är en vit till blå jättestjärna av spektralklass A5 III eller A6 IV beroende på osäkerhet om tolkningen av stjärnans färg. Den har en massa som är ca 1,7 solmassor, en radie som är ca 2,3 solradier och utsänder från dess fotosfär ca 18 gånger mera energi än solen vid en effektiv temperatur av ca 8300 K.
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