Английская Википедия:(145453) 2005 RR43
Шаблон:Mp, also written as (145453) 2005 RR43, is a trans-Neptunian object (TNO) estimated to be about 250 km in diameter.[1][2] It was discovered on 9 September 2005 by Andrew Becker, Andrew Puckett and Jeremy Kubica at Apache Point Observatory in Sunspot, New Mexico.
Origin
Шаблон:Main Based on their common pattern of IR water-ice absorptions, neutral visible spectrum,[3] and the clustering of their orbital elements, the other KBOs Шаблон:Mp, Шаблон:Mpl, Шаблон:Mpl and Шаблон:Mpl appear to be collisional fragments broken off the dwarf planet Шаблон:Dp.
Surface
The surface is covered by water ice as attested by deep absorption at 1.5 and 2 μm in the infrared spectrum and neutral (i.e. non-red) colour. Scattering models reveal that the observed water ice is, at least in a significant fraction, crystalline and organics, detected on the surface of many TNOs, are completely absent.[3] These physical and orbital characteristics common with Haumea led to suggestion that Шаблон:Mp is a member of the Haumea collisional family. The object, together with other members of the family (Шаблон:Mpl, Шаблон:Mpl, Шаблон:Mpl and Шаблон:Mpl), would be created from ice mantle ejected from the proto-Haumea as result of a collision with another large (around Шаблон:Convert) body.[4]
Neutral (non-red) color index
Файл:TheTransneptunians Color Distribution-2005RR43.png The + marks Шаблон:Mp (B−V=0.77, V−R=0.41) on this color plot of TNOs. All the other Haumea-family members are located to the lower left of this point. |
See also
References
External links
- List of TNOs, Minor Planet Center
- (145453) 2005 RR43 Precovery Images
- Шаблон:JPL small body
Шаблон:Haumea Шаблон:Minor planets navigator Шаблон:Small Solar System bodies Шаблон:Trans-Neptunian objects Шаблон:Authority control
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