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Advances in Space Research Journal ~ Volume 43, Issue 10, by Elsevier

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E. r ¼ k À h, where h is the sidereal time. Fig. 2 (left panel) shows the MEGNO values computed using 30 years of integration time. We identify clearly a blow-up of the typical double pendulum-like pattern related to the 1:1 resonance. e. only one eye. The existence of both the stable and the two unstable equilibrium points can be easily inferred. We observe that the phase space seems to be essentially filled in with MEGNO values Y ðtÞ ’ 2, that is plenty of regular orbits. Moreover, the two separatrices are also identifiable and are associated with neighboring MEGNO values 2 < Y ðtÞ 6 4.

Second, still considering high area-to-mass ratios, we bring to the fore a relevant class of additional secondary structures appearing in the phase space. The paper is organized as follows. In Section 2, we focus our attention to the specification of the underlying model and we give some details about the numerical aspects of the method. In Section 3, for the sake of completeness, we dwell upon the detailed definition of the MEGNO indicator, also providing a review of its main properties, in order to understand the behavior of the chaos indicator.

19. Long-term evolution of the mean eccentricity, for A/M = 35 and 45 m2/kg, assuming the B1 initial conditions. Due to the interplay of solar radiation pressure, geopotential and luni-solar resonances, the trends observed, superimposed on the near yearly oscillations caused by radiation pressure, were quite complex and not easy to predict in advance. 7 (for A/ M = 45 m2/kg). L. Anselmo, C. Pardini / Advances in Space Research 43 (2009) 1491–1508 1503 Fig. 20. 05, 1, 5 and 10 m2/kg, assuming the B1 initial conditions.

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