About: Internal structure and physical properties of the Asteroid 2008 TC(3) inferred from a study of the Almahata Sitta meteorites

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About: Internal structure and physical properties of the Asteroid 2008 TC(3) inferred from a study of the Almahata Sitta meteorites Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The density measurements of Almahata Sitta ureilites reveal a bulk density of 3.1 g/cm3. This value, together with the 2008 TC3 asteroid shape model and albedo, was used to estimate the asteroid’s mass. Based on the study of recovered meteorites and the atmospheric entry observations the asteroid 2008 TC3 is compositionally heterogeneous and of low mechanical strength. Thus we consider the presence of significant macroporosity likely, lowering asteroid’s bulk density compared to that of the Almahata Sitta ureilites. Most realistic albedos lie in a range of 0.09 0.2 and the presence of significant macroporosity leads to mass estimates below 20 x 103 kg, which is lower than previously estimated. The presence of a non ureilitic fraction and space weathering may affect the albedo and also influence the mass estimates. However, from current data it is not possible to quantify this effect. The density measurements of Almahata Sitta ureilites reveal a bulk density of 3.1 g/cm3. This value, together with the 2008 TC3 asteroid shape model and albedo, was used to estimate the asteroid’s mass. Based on the study of recovered meteorites and the atmospheric entry observations the asteroid 2008 TC3 is compositionally heterogeneous and of low mechanical strength. Thus we consider the presence of significant macroporosity likely, lowering asteroid’s bulk density compared to that of the Almahata Sitta ureilites. Most realistic albedos lie in a range of 0.09 0.2 and the presence of significant macroporosity leads to mass estimates below 20 x 103 kg, which is lower than previously estimated. The presence of a non ureilitic fraction and space weathering may affect the albedo and also influence the mass estimates. However, from current data it is not possible to quantify this effect. (en)
Title	Internal structure and physical properties of the Asteroid 2008 TC(3) inferred from a study of the Almahata Sitta meteorites Internal structure and physical properties of the Asteroid 2008 TC(3) inferred from a study of the Almahata Sitta meteorites (en)
skos:prefLabel	Internal structure and physical properties of the Asteroid 2008 TC(3) inferred from a study of the Almahata Sitta meteorites Internal structure and physical properties of the Asteroid 2008 TC(3) inferred from a study of the Almahata Sitta meteorites (en)
skos:notation	RIV/67985831:_____/11:00367277!RIV12-AV0-67985831
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z10030501), Z(AV0Z30130516)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Kohout, Tomáš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Geologický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	205401
http://linked.open...ai/riv/idVysledku	RIV/67985831:_____/11:00367277
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	asteroid; 2008TC3; meteorite; Near-Earth objects (en)
http://linked.open.../riv/klicoveSlovo	2008TC3 Near-Earth objects asteroid meteorite
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[69162194D61F]
http://linked.open...i/riv/nazevZdroje	Icarus
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	212
http://linked.open...iv/tvurceVysledku	Kohout, Tomáš Britt, D. Consolmagno, G. Kiuru, R. Macke, R. Montonen, M. Scheirich, Peter
http://linked.open...ain/vavai/riv/wos	000289178100021
http://linked.open...n/vavai/riv/zamer	Astronomie a astrofyzika Zemský systém v průsečíku geologických procesů, vývoje života, klimatických a antropogenních vlivů
issn	0019-1035
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.icarus.2011.01.037

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