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{\bf TROJAN TYPE MOTIONS IN THE SOLAR SYSTEM} \\

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 {\underline {R.V.~Zagretdinov}} (Kazan State University, Lenina, 18,\\
 420008, Kazan, Russia)\\

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Wide distribution of Trojan type motions among the small bodies
of the Solar system emphasize  the importance of 1:1 resonance
in the dynamical structure of  the Solar system.
As of mid-1994 nearly 300 asteroids of Trojan groups and
one Mars Trojan - Euvreka had been discovered. Recently few
trans-Neptunian object, a possible candidates to be o Neptune
Trojans have been found.

Dynamical structure of the Jupiter Trojan belt had been investigated.
It have been shown that some Trojans can have common collisional
origin although the possibility of this is not very high.
In addition the possibility of existence of stable Trojan
type motions among the trans-Neptunian objects have been estimated
using  numerical integration.

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 Renat Zagretdinov ,Kazan State University,\\
 Lenina str., 18 , Kazan, 420008, Tatarstan, Russia,\\
 Phone: +7(8432) 38 76 95 \\
 E-mail: rz@ksu.ras.ru (INTERNET)\\
 \hspace{3em} rz@astro.kazan.su\\
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