Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012hell.conf...24b&link_type=abstract
10th Hellenic Astronomical Conference, Proceedings of the conference held at Ioannina, Greece, 5-8 September 2011. Edited by Io
Astronomy and Astrophysics
Astronomy
Scientific paper
We study, numerically, families of simple non-symmetric periodic orbits of the restricted four-body problem where the three primary bodies lie at the apices of an equilateral triangle while a fourth massless body is moving under the Newtonian gravitational attraction of the primaries. More precisely, the primary bodies Sun, Jupiter and a Trojan Asteroid are set in the stable Lagrangian equilateral triangle configuration and as a massless fourth body we consider a spacecraft. The problem admits eight non-collinear equilibrium points. Four of them are close to Asteroid, two are stable and two are unstable. The network of the families of the simple periodic solutions using their characteristic curves in the (x, C) plane is presented. The linear stability of each periodic solution is also studied. Special generating planar horizontal and vertical critical periodic orbits of each family are calculated. We found a large number of various types of orbits and two families which consist of stable (horizontally and vertically) retrograde non-symmetric periodic orbits around Jupiter (the first family) and the Trojan Asteroid (the second one) with obvious practical interest.
Baltagiannis A. N.
Papadakis Katerina
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