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D-type asteroid

Type of asteroid spectral group From Wikipedia, the free encyclopedia

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D-type asteroids have a very low albedo and a featureless reddish spectrum.[1] It has been suggested that they have a composition of organic-rich silicates, carbon and anhydrous silicates, possibly with water ice in their interiors.[2] D-type asteroids are found in the outer asteroid belt and beyond; examples are 152 Atala, 944 Hidalgo and most Jupiter trojans. It has been suggested that the Tagish Lake meteorite was a fragment from a D-type asteroid, and that the Martian moon Phobos is closely related.[3]

The Nice model suggests that D-type asteroids may have originated in the Kuiper belt.[4] 46 D-type asteroids are known, including: 3552 Don Quixote, 944 Hidalgo, 624 Hektor, and 10199 Chariklo.[5]

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Examples

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A list of some of the largest D-type asteroids.[5]

More information Name of Asteroid, Classification ...
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See also

References

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