Slowly increasing elongations of non-spherical asteroids caused by collisions

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F15%3A00452528" target="_blank" >RIV/67985815:_____/15:00452528 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1093/mnras/stv2133" target="_blank" >http://dx.doi.org/10.1093/mnras/stv2133</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1093/mnras/stv2133" target="_blank" >10.1093/mnras/stv2133</a>

Result language
angličtina
Original language name
Slowly increasing elongations of non-spherical asteroids caused by collisions
Original language description
We run simulations of random collisions on to a single target asteroid represented by triaxial ellipsoid. We investigated asteroids of several hundred metres to about 18?km in diameter for which we assumed all material excavated by the collision to escape the asteroid. The cumulative effect of these collisions is an increasing elongation of the asteroid figure. However, the estimated time-scale of this process is much longer than the collisional lifetime of asteroids. Therefore, we conclude that small collisions are probably not responsible for the overall shape of small asteroids.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BN - Astronomy and celestial mechanics, astrophysics
OECD FORD branch
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Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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