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O-type asteroidThe rare O-type asteroids have spectra similar to the unusual asteroid 3628 Boznemcová, which is the best asteroid match to the spectra of L6 and LL6 ordinary chondrite meteorites. Their spectra have a deep absorption feature longward of 0.75 μm.[1] ListSeven asteroids have been classified as O-type by the second Small Main-Belt Asteroid Spectroscopic Survey (SMASSII) and none by Tholen's Eight-Color Asteroid Survey. With the exception of main-belt asteroid 3628 Božněmcová, all other bodies are near-Earth asteroids from the Apollo, Aten or Amor group:
See alsoReferences
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