K-type asteroids are relatively uncommonasteroids with a moderately reddish spectrum shortwards of 0.75 μm, and a slight bluish trend longwards of this. They have a lowalbedo. Their spectrum resembles that ofCV and COmeteorites. A larger K type is9 Metis.
These asteroids were described as "featureless"S-types in theTholen classification. The K-type was proposed by J. F. Bell and colleagues in 1988 for bodies having a particularly shallow 1 μm absorption feature, and lacking the 2 μm absorption. These were found during studies of theEos family of asteroids.
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