Dynamical lifetimes of objects injected into asteroid belt resonances

Science

Volumn 277, Issue 5323, 1997, Pages 197-201

  Gladman, Brett J ^a   Migliorini, Fabbio ^b   Morbidelli, Alessandro ^a   Zappalà, Vincenzo ^c   Michel, Patrick ^a   Cellino, Alberto ^c   Froeschlé, Christiane ^a   Levison, Harold F ^d   Bailey, Mark ^b   Duncan, Martin ^e  

^a UNIVERSITÉ CÔTE D'AZUR   (France)

^b ARMAGH OBSERVATORY   (United Kingdom)

^c OSSERVATORIO ASTRONOMICO DI TORINO   (Italy)

^d SOUTHWEST RESEARCH INSTITUTE   (United States)

^e QUEEN S UNIVERSITY   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; ASTRONOMY; MATHEMATICAL MODEL; PRIORITY JOURNAL; SUN; TIME;

EID: 0030815509     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.277.5323.197     Document Type: Article

References (45)

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4. See reviews by S. Ferraz-Mello, in Asteroids, Comets, Meteors 1993, A. Milani, M. Di Martino, A. Cellino, Eds. (Kluwer, Dordrecht, Netherlands, 1994), pp.175-188; C. Froeschlé and A. Morbidelli, ibid., pp.189-204.
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15. End states, the decay of the number of particles, and the distribution of orbital elements are statistically identical over the time scale of ≃3 My, which is numerically feasible with conventional Bulirsch-Stoer and RADAU algorithms. See also (9). The symplectic algorithm is that of J. Wisdom and M. Holman [Astron. J. 102, 1528 (1991)], as modified by H. Levison and M. Duncan [Icarus 108, 18 (1994)]. The output (only) was numerically averaged to produce proper elements free of short-period oscillations.
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40. 6, or due to the recently reconsidered Yarkovsky effect [J. A. Bums et al., Icarus 40, 1 (1979); D. Rubincam, J. Geophys. Res. 100, 1585 (1995)].
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44. The distribution of asteroids relative to the gaps is pictured in S. Dermott and C. Murray, Nature 301, 201 (1983).
45. We thank B. Bottke, C. Chapman, O. Eugster, P. Farinella, K. Marti, and G. Wetherill for constructive input to this study. T. Bowell provided the initial conditions for the NEA sample.