▁in ▁diameter . ▁Because ▁ ▁is ▁a ▁member ▁of ▁the ▁Ha ume a ▁family , ▁it ▁is ▁assumed ▁to ▁have ▁an ▁al bed o ▁of ▁around ▁ 0 . 7 , ▁which ▁would ▁result ▁in ▁a ▁diameter ▁of ▁about ▁. ▁▁ ▁occ ult ed ▁a ▁relatively ▁bright ▁apparent ▁magnitude ▁ 1 3 . 1 ▁star ▁in ▁the ▁const ell ation ▁of ▁And rom eda ▁on ▁ 9 ▁October ▁ 2 0 0 9 . ▁This ▁event ▁was ▁visible ▁from ▁Australia , ▁possibly ▁New ▁Zealand , ▁and ▁the ▁southern ▁United ▁States ▁and ▁Mexico . ▁The ▁RA ▁and ▁decl ination ▁for ▁this ▁event ▁was ▁about ▁ 0 0 ▁ 3 7 ▁ 1 3 . 6 4 ▁+ 2 8 ▁ 2 2 ▁ 2 3 . 2 .: ▁detailed ▁information ▁for ▁obser vers ▁was ▁made ▁available . ▁The ▁occ ult ation ▁produced ▁a ▁diameter ▁of ▁, ▁suggesting ▁an ▁al bed o ▁of ▁about ▁ 0 . 8 8 . ▁Mike ▁Brown ▁lists ▁it ▁as ▁a ▁possible ▁d war f ▁planet . ▁ ▁Sur face ▁ ▁The ▁spectrum ▁in ▁the ▁visible ▁and ▁near - inf ra red ▁ra ges ▁is ▁very ▁similar ▁to ▁that ▁of ▁Char on , ▁character ized ▁by ▁neutral ▁to ▁blue ▁slope ▁( 1 % / 1 0 0 0 ▁Å ) ▁with ▁deep ▁( 6 0 %) ▁water ▁absor ption ▁bands ▁at ▁ 1 . 5 ▁and ▁ 2 . 0 ▁ μ m . ▁Min eral og ical ▁analysis ▁indicates ▁a ▁substantial ▁fraction ▁of ▁large ▁ice ▁( H 2 O