On Nov 1, 1:35*pm, wrote:
The article at the link below indicates a forthcoming asteroid
approach by 2005 YU55 to within 325,000 km of Earth and states that
the object is about 400m across. I would imagine that such an object
would be quite bright! How bright will it get, and which hemisphere is
favored observation-wise?

http://www.scientificamerican.com/po...d=asteroid-pla....

It's actually kind of dark, and it'll likely get very close to our
moon, though perhaps passing more above than along side. Of course
the only public shared data is from an old March 10th swag via JPL.
Let us all hope prey its trajectory hasn't shifted, because a lunar
impact would be extremely problematic for us.

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Brad Guth, Brad_Guth, Brad.Guth, BradGuth, BG / “Guth Usenet”