9 , ▁H ork y ▁will ▁pass ▁ 1 5 ▁E un om ia ▁at ▁a ▁distance ▁of ▁. ▁It ▁is ▁also ▁project ed ▁to ▁make ▁close ▁approaches ▁to ▁ 2 9 ▁Am ph it rite , ▁ 7 ▁I ris ▁and ▁ 1 0 ▁H yg ie a . ▁ ▁Phys ical ▁characteristics ▁▁ ▁In ▁the ▁S MA SS ▁classification , ▁H ork y ▁is ▁a ▁carbon ace ous ▁C - type ▁astero id . ▁However , ▁based ▁on ▁the ▁obtained ▁al bed o ▁by ▁the ▁W ide - field ▁Inf ra red ▁Survey ▁Explorer ▁( WI SE ), ▁it ▁is ▁rather ▁a ▁st ony ▁S - type ▁( see ▁below ). ▁As ▁of ▁ 2 0 1 8 , ▁no ▁rot ational ▁light cur ve ▁of ▁this ▁astero id ▁has ▁been ▁obtained ▁from ▁phot ometric ▁observations . ▁The ▁body ' s ▁rotation ▁period , ▁pole ▁and ▁shape ▁remain ▁unknown . ▁ ▁Diam eter ▁and ▁al bed o ▁▁ ▁According ▁to ▁the ▁survey ▁carried ▁out ▁by ▁the ▁NE OW I SE ▁mission ▁of ▁NASA ' s ▁W I SE ▁teles cope , ▁H ork y ▁measures ▁ 6 . 6 8 5 ▁kilom eters ▁in ▁diameter ▁and ▁its ▁surface ▁has ▁an ▁al bed o ▁of ▁ 0 . 2 0 7 , ▁which ▁indicates ▁that ▁is ▁likely ▁of ▁a ▁st ony ▁rather ▁than ▁carbon ace ous ▁composition . ▁It ▁has ▁an ▁absolute ▁magnitude ▁of ▁ 1 3 . 3 . ▁ ▁N aming ▁▁ ▁This ▁minor ▁planet ▁was ▁named ▁after ▁a ▁hill