View source for T-type asteroid

{{More citations needed|date=January 2021}}
'''T-type asteroids''' are rare inner-belt [[asteroid]]s of unknown composition with dark, featureless and moderately [[red]] [[electromagnetic spectrum|spectra]], and a moderate absorption feature shortwards of 0.85&nbsp;μm. No direct [[meteorite]] analog has been found to date. Thought to be [[anhydrous]], they are considered to be related to [[P-type asteroid|P-type]]s or [[D-type asteroid|D-type]]s, or possibly a highly altered [[C-type asteroid|C-type]].

Examples of T-type asteroids include [[96 Aegle]], [[114 Kassandra]], [[233 Asterope]], and [[308 Polyxo]]. The infrared spectrum of the first three are similar to the mineral [[troilite]], while 308 Polyxo is modified with hydration features.<ref name=Britt1992/>

In 2010, the asteroid [[596 Scheila]] was impacted by a projectile. The impact changed its spectrum from T-type to D-type, likely by exposing fresh material that was not [[Space weathering|weathered]].<ref name=Hasegawa>{{cite journal|doi=10.3847/2041-8213/ac415a|title=The Appearance of a "Fresh" Surface on 596 Scheila as a Consequence of the 2010 Impact Event|year=2022|last1=Hasegawa|first1=Sunao|last2=Marsset|first2=Michaël|last3=Demeo|first3=Francesca E.|last4=Bus|first4=Schelte J.|last5=Ishiguro|first5=Masateru|last6=Kuroda|first6=Daisuke|last7=Binzel|first7=Richard P.|last8=Hanuš|first8=Josef|last9=Nakamura|first9=Akiko M.|last10=Yang|first10=Bin|last11=Vernazza|first11=Pierre|journal=The Astrophysical Journal Letters|volume=924|issue=1|pages=L9|arxiv=2112.04672|bibcode=2022ApJ...924L...9H|s2cid=245005881 |doi-access=free }}</ref>

==See also==
*[[Asteroid spectral types]]

==References==
{{reflist|refs=

<ref name=Britt1992>{{citation
 | title=The Reflectance Spectrum of Troilite and the T-Type Asteroids
 | last1=Britt | first1=D. T. | last2=Bell | first2=J. F.
 | last3=Haack | first3=H. | last4=Scott | first4=E. R. D.
 | display-authors=1 | journal=Meteoritics
 | volume=27 | issue=3 | page=207 | date=July 1992
 | bibcode=1992Metic..27Q.207B | postscript=. }}</ref>

}}

{{Asteroids}}
{{Small Solar System bodies}}

{{DEFAULTSORT:T-Type Asteroid}}
[[Category:Asteroid spectral classes]]
[[Category:T-type asteroids|*]]


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