5 Astraea

5 Astraea is an asteroid in the asteroid belt. Its surface is highly reflective and its composition is probably a mixture of nickel–iron with silicates of magnesium and iron. It is an S-type asteroid in the Tholen classification system. 
Category:Asteroids
Category:Geoasteroid
Category:S type
Category:Main Belt
Category:Objects Not in Hydrostatic Equilibrium
Category:Objects with No Atmosphere
Category:Inner Solar System Object
Category:Numbered Objects
Category:Numbered Minor Planets
Category:Named Objects
Category:Named Minor Planets