Dynamical Habitability of Planetary Systems
Artikel i vetenskaplig tidskrift, 2010

The problem of the stability of planetary systems, a question that concerns only multiplanetary systems that host at least two planets, is discussed. The problem of mean motion resonances is addressed prior to discussion of the dynamical structure of the more than 350 known planets. The difference with regard to our own Solar System with eight planets on low eccentricity is evident in that 60% of the known extrasolar planets have orbits with eccentricity e > 0.2. We theoretically highlight the studies concerning possible terrestrial planets in systems with a Jupiter-like planet. We emphasize that an orbit of a particular nature only will keep a planet within the habitable zone around a host star with respect to the semimajor axis and its eccentricity. In addition, some results are given for individual systems (e.g., Gl777A) with regard to the stability of orbits within habitable zones. We also review what is known about the orbits of planets in double-star systems around only one component ( e. g., gamma Cephei) and around both stars (e.g., eclipsing binaries).


extra-solar planets


global dynamics




Terrestrial exoplanets

stability limits

terrestrial planets

Orbital dynamics

double stars


apsidal resonance


R. Dvorak

Institut fur Astronomie, Vienna

E. Pilat-Lohinger

Institut fur Astronomie, Vienna

E. Bois

Observatoire de la Cote d'Azur

R. Schwarz

Eötvös Loránd University (ELTE)

Institut fur Astronomie, Vienna

B. Funk

Institut fur Astronomie, Vienna

Eötvös Loránd University (ELTE)

C. Beichman

Jet Propulsion Laboratory, California Institute of Technology

W. Danchi

NASA Goddard Space Flight Center

C. Eiroa

Universidad Autonoma de Madrid (UAM)

M. Fridlund

European Space Research and Technology Centre (ESA ESTEC)

T. Henning


T. Herbst


L. Kaltenegger

Harvard-Smithsonian Center for Astrophysics

H. Lammer

Institut fur Weltraumforschung

A. Leger

Université Paris-Sud

René Liseau

Chalmers, Institutionen för radio- och rymdvetenskap, Radioastronomi och astrofysik

J. Lunine

University of Arizona

F. Paresce

Istituto nazionale di astrofisica (INAF)

A. Penny

Rutherford Appleton Laboratory

A. Quirrenbach

Landessternwarte Heidelberg-Königstuhl

H. Rottgering

Universiteit Leiden

F. Selsis

Université de Bordeaux

J. Schneider

Observatoire de Paris-Meudon

D. Stam

Netherlands Institute for Space Research (SRON)

G. Tinetti

University College London (UCL)

G. J. White

Rutherford Appleton Laboratory

Open University


1531-1074 (ISSN)

Vol. 10 1 33-43


Astronomi, astrofysik och kosmologi


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