D-type asteroid

<p>D-type asteroids have a very low <a href="/facts/Albedo/TJDRdKEB">albedo</a> and a featureless reddish <a href="/facts/Asteroid_spectral_types/WoSTAYnh">spectrum</a>. It has been suggested that they have a composition of organic-rich <a href="/facts/Silicate/7NdthSRM">silicates</a>, <a href="/facts/Carbon/ukrgQexo">carbon</a> and <a href="/facts/Anhydrous/A7B0fDLE">anhydrous</a> silicates, possibly with water <a href="/facts/Ice/BGvkKFjD">ice</a> in their interiors. D-type asteroids are found in the outer <a href="/facts/Asteroid_belt/YHAq2Eh3">asteroid belt</a> and beyond; examples are <a href="/facts/152_Atala/QqYka89H">152 Atala</a>, <a href="/facts/944_Hidalgo/I1SYSHxm">944 Hidalgo</a> and most <a href="/facts/Jupiter_trojan/KN9dgpUr">Jupiter trojans</a>.  It has been suggested that the <a href="/facts/Tagish_Lake_(meteorite)/Jj60jJ6k">Tagish Lake meteorite</a> was a fragment from a D-type asteroid, and that the Martian moon <a href="/facts/Phobos_(moon)/qqS9JvuG">Phobos</a> is closely related.
</p><p>The <a href="/facts/Nice_model/Mv0ADIy8">Nice model</a> suggests that D-type asteroids may have originated in the <a href="/facts/Kuiper_belt/IvLzYp5P">Kuiper belt</a>.    46 D-type asteroids are known, including: <a href="/facts/3552_Don_Quixote/jF8hudQ4">3552 Don Quixote</a>, <a href="/facts/944_Hidalgo/I1SYSHxm">944 Hidalgo</a>, <a href="/facts/624_Hektor/tzQaGICu">624 Hektor</a>, and <a href="/facts/10199_Chariklo/6vK3zdIE">10199 Chariklo</a>.
</p>

D-type asteroid open-in-new

D-type asteroid