PETra Project: Copyright Notice


The material contained in this page is intended to be used for scientific or educational purposes only.

The material may be freely distributed provided no modifications were introduced.

The material may be partially or fully reproduced by including an explicit reference to the homepage http://www.on.br/astronomia/froig/petra

The use of the data contained in this homepage is conditioned to citation of the article:
C. Beaugé and F. Roig, 2001: "A semianalytical model for the motion of the Trojan asteroids: Proper elements and families", Icarus, vol. 153, pp. 391-415.


© 2002, 2003 - C. Beaugé and F. Roig.
All rights reserved.