(urth) grumble at wolfe comment made attached to guardianarticle

[Jeff Wilson]

On 2/9/2011 6:26 AM, Gerry Quinn wrote:
> I think horseshoes are a bit problematic. If you look at Cruithne's
> orbit, its actual distance from Earth varies on a short scale with a
> period of one year. Over a longer term, the average distance varies.
> Since Cruithne's orbital period is one year, there's no room for
> meaningful six-year conjunctions.

That's because tiny Cruithne is too small to influence Earth in a 
detectable way. Janus and Epimethius, however, are similar in mass and 
do their thing in four years.

-- 
Jeff Wilson - jwilson at io.com
Computational Intelligence Laboratory - Texas A&M Texarkana
< http://www.tamut.edu/CIL >