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clipka wrote:
> David Buck <dav### [at] simberoncom> wrote:
>>   It was for a science fiction story I was working on that takes place
>> on a planet that orbits a star 20 lightyears away.  This is actually a
>> binary planet where two approximately equal mass planets orbit each
>> other (or around the center of mass of the two planets) and both orbit
>> the star.  The two planets are tidally locked to each other.  I wanted
>> to discover the dynamics of this world.
> 
> Out of curiosity: Would such a system actually be stable in reality?
> 
	It is: look at the Pluto-Charo pair of planets (planetoids?) in the
solar system.

		Jerome

PS: Of course, Pluto and Charo aren't 20 ligth-years away from their
sun, but that's probably just me being obtuse ;)

- --
mailto:jeb### [at] freefr
http://jeberger.free.fr
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