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Creation, detection, and evolution of Jupiter Trojan families
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
2011 (English)In: Astronomische Nachrichten, ISSN 1521-3994, Vol. 332, no 6, 562-579 p.Article in journal (Refereed) Published
Abstract [en]

An investigation is carried out looking at correlations between the orbital elements of collisional targets and projectiles, estimating the number of interlopers in Trojan collisional families, and at the possibility of determining the ages of the Jupiter Trojan families by orbital integration. Real Trojans are integrated and close encounters are recorded in order to evaluate collisional circumstances between Trojans. Fictitious collisional families are created and integrated for 10 MJyr (million Julian years) forward in time and back again to the time of the collision in order to check the performance of the integrator, and the behaviour of the fictitious collisional fragments. Proper elements are calculated for the detection of family clustering using the hierarchically clustering method.

Place, publisher, year, edition, pages
2011. Vol. 332, no 6, 562-579 p.
Keyword [en]
minor planets, asteroids
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-170181DOI: 10.1002/asna.201011568OAI: oai:DiVA.org:uu-170181DiVA: diva2:508570
Available from: 2012-03-09 Created: 2012-03-09 Last updated: 2012-10-19Bibliographically approved

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Karlsson, Ola

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