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The Orbits of Terrestrial Planets in the Habitable Zones of Known Exoplanetary Systems

By SpaceRef Editor
January 4, 2003
Filed under , ,

Astrophysics, abstract
astro-ph/0211022


From: Barrie W Jones <[email protected]>
Date: Fri, 1 Nov 2002 17:13:52 GMT (21kb)

The Orbits of Terrestrial Planets in the Habitable Zones of Known Exoplanetary Systems


Authors:
Barrie W Jones,
P Nick Sleep

Comments: 5 pages, 1 Figure. To appear in the ASP Conference Series,
‘Scientific Frontiers in Research on Extrasolar Planets’, edited by Deming
and Seager


We show that terrestrial planets could survive in variously restricted
regions of the habitable zones of 47 Ursae Majoris, Epsilon Eridani, and Rho
Coronae Borealis, but nowhere in the habitable zones of Gliese 876 and Upsilon
Andromedae. The first three systems between them are representative of a large
proportion of the 90 or so extrasolar planetary systems discovered by mid-2002,
and thus there are many known systems worth searching for terrestrial planets
in habitable zones. We reach our conclusions by launching putative Earth-mass
planets in various orbits and following their fate with a mixed-variable
symplectic integrator.

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