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Asteroid 2005 YU55 to Approach Earth on November 8, 2011..
NASA ^ | March 10th, 2011

Posted on 03/25/2011 9:39:33 AM PDT by TaraP

Near-Earth asteroid 2005 YU55 will pass within 0.85 lunar distances from the Earth on November 8, 2011.

The upcoming close approach by this relatively large 400 meter-sized, C-type asteroid presents an excellent opportunity for synergistic ground-based observations including optical, near infrared and radar data. The attached animated illustration shows the Earth and moon flyby geometry for November 8th and 9th when the object will reach a visual brightness of 11th magnitude and should be easily visible to observers in the northern and southern hemispheres.

The closest approach to Earth and the Moon will be respectively 0.00217 AU and 0.00160 AU on 2011 November 8 at 23:28 and November 9 at 07:13 UT.

Discovered December 28, 2005 by Robert McMillan of the Spacewatch Program near Tucson Arizona, the object has been previously observed by Mike Nolan, Ellen Howell and colleagues with the Arecibo radar on April 19-21, 2010 and shown to be a very dark, nearly spherical object 400 meters in diameter.

Because of its approximate 20-hour rotation period, ideal radar observations should include tracks that are 8 hours or longer on multiple dates at Goldstone (November 3-11) and when the object enters Arecibo's observing window on November 8th.

Using the Goldstone radar operating in a relatively new "chirp" mode, the November 2011 radar opportunity could result in a shape model reconstruction with a resolution of as fine as 4 meters. Several days of high resolution imaging (about 7.5 meters) are also planned at Arecibo. As well as aiding the interpretation of the radar observations, collaborative visual and near infrared observations could define the object's rotation characteristics and provide constraints upon the nature of the object's surface roughness and mineral composition.

Since the asteroid will approach the Earth from the sunward direction, it will be a daylight object until the time of closest approach. The best time for new ground-based optical and infrared observations will be late in the day on November 8, after 21:00 hours UT from the eastern Atlantic and western Africa zone. A few hours after its close Earth approach, it will become generally accessible for optical and near-IR observations but will provide a challenging target because of its rapid motion across the sky.


TOPICS: Government; News/Current Events; Philosophy
KEYWORDS: 2005yu55; asteroid2005yu55; catastrophism; chondrite; cruithne; minimoon; minimoons; quasisatellite; quasisatellites
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To: balch3
FEMA has been quietly stockpiling a billion MRE’s.

It's a billion dollars for for a 10-day supply of meals for 14 million people. 420 million meals.

41 posted on 03/26/2011 9:41:19 AM PDT by Doe Eyes
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To: darth

Yeah....whatever.


42 posted on 03/26/2011 5:05:42 PM PDT by brytlea (A tick stole my tagline....)
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To: TaraP
and should be easily visible to observers in the northern and southern hemispheres.

Huh??

43 posted on 03/26/2011 5:12:10 PM PDT by Glenn (iamtheresistance.org)
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To: 75thOVI; agrace; aimhigh; Alice in Wonderland; AndrewC; aragorn; aristotleman; Avoiding_Sulla; ...

Thanks TaraP.

Note: This topic was posted Friday, March 25, 2011.


44 posted on 06/10/2011 9:53:00 AM PDT by SunkenCiv (Thanks Cincinna for this link -- http://www.friendsofitamar.org)
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To: balch3

Yeah, but that would feed a billion people ONE meal.

Now, suppose they were saving those for just the elites in DC and fat cat democrat donors.

That would keep them alive for 20 years in their secret government elite underground paradise (guarded by Cyberdyne Systems Model 101’s)....


45 posted on 06/10/2011 10:17:42 AM PDT by Alas Babylon!
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To: hoosierham

I don’t know. I’m not a Mason.


46 posted on 06/10/2011 10:28:50 AM PDT by BenLurkin (This post is not a statement of fact. It is merely a personal opinion -- or humor -- or both)
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To: TSgt
"very dark, nearly spherical object 400 meters in diameter."


47 posted on 06/10/2011 10:32:05 AM PDT by BenLurkin (This post is not a statement of fact. It is merely a personal opinion -- or humor -- or both)
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