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2005 YU55 is a potentially hazardous object that is 400 meters in diameter. It was discovered on 28 December 2005 by Robert S. McMillan at Steward Observatory, Kitt Peak.
On 8 November 2011 at 23:28 UT, the asteroid will safely pass within 0.85 lunar distances of the Earth. A lunar distance of 0.85 is also 0.00217 AU (325,000 km; 202,000 mi). On 9 November 2011 at 07:13 UT, the asteroid will pass 0.00160 AU (239,000 km; 149,000 mi) from the moon. During the close approach, the asteroid should reach about apparent magnitude 11, and may be visible in high-end binoculars with an objective lens of 70mm or larger.
WASHINGTON, D.C. -- The U.S. Department of Homeland Security's Federal Emergency Management Agency (FEMA) and the Federal Communications Commission (FCC) will conduct the first nationwide test of the Emergency Alert System (EAS). The nationwide test will occur on Wednesday, November 9 at 2 p.m. eastern standard time and may last up to three and a half minutes.
The EAS is a national alert and warning system established to enable the President of the United States to address the American public during emergencies. NOAA's National Weather Service, governors and state and local emergency authorities also use parts of the system to issue more localized emergency alerts.
Originally posted by gremlin2011
what kind of damage would happen from a object this size?
Originally posted by gremlin2011
what kind of damage would happen from a object this size?
Glad I live in wisconsin..
Originally posted by Char-Lee
Originally posted by gremlin2011
what kind of damage would happen from a object this size?
Stony bodies less than 200 meters in diameter do not produce tsunamis, while those larger than 200 meters can produce catastrophic tsunamis. Water waves generated by such an impactor are two-dimensional disturbances that fall off in height only inversely with distance from the point of impact. The average runup in height of a tsunami as it reaches the continental shelf is more than an order of magnitude. An impact anywhere in the Atlantic of a stony asteroid more than 400m (1,300 feet) in diameter would devastate coasts on both sides of the ocean. Tsunami runups would exceed 60m (200 feet).
www.pibburns.com...
Originally posted by Lil Drummerboy
Glad I live in wisconsin..
Originally posted by Char-Lee
Originally posted by gremlin2011
what kind of damage would happen from a object this size?
Stony bodies less than 200 meters in diameter do not produce tsunamis, while those larger than 200 meters can produce catastrophic tsunamis. Water waves generated by such an impactor are two-dimensional disturbances that fall off in height only inversely with distance from the point of impact. The average runup in height of a tsunami as it reaches the continental shelf is more than an order of magnitude. An impact anywhere in the Atlantic of a stony asteroid more than 400m (1,300 feet) in diameter would devastate coasts on both sides of the ocean. Tsunami runups would exceed 60m (200 feet).
www.pibburns.com...
no worries here for tsunamis
Originally posted by IamAbeliever
As these objects pass by other bodies in our solar system their speed has to be affected. I imagine there is no way to know exactly to what degree they will be affected.
These models that show the path in relationship to Earth's orbit are purely speculation at best.
Should get interesting as these objects get closer.