Volume 464, Number 2, March III 2007
|Page(s)||775 - 778|
|Section||Planets and planetary systems|
|Published online||19 December 2006|
The origin of the high-inclination Neptune Trojan 2005 TN53
Department of Astronomy, Nanjing University, Nanjing 210093, PR China e-mail: firstname.lastname@example.org
Accepted: 20 November 2006
Aims.We explore the formation and evolution of the highly inclined orbit of Neptune Trojan 2005 TN53.
Methods.With numerical simulations, we investigated a possible mechanism for the origin of the high-inclination Neptune Trojans as captured into the Trojan-type orbits by an initially eccentric Neptune during its eccentricity damping and rapid inward migration, then migrating to the present locations locked in Neptune's 1:1 mean motion resonance.
Results.Two 2005 TN53-type Trojans out of our 2000 test particles were produced with inclinations above , moving on tadpole orbits librating around Neptune's leading Lagrange point.
Key words: methods: numerical / celestial mechanics / minor planets, asteroids / solar system: formation
© ESO, 2007
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