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“We’re extremely confident, 100 percent confident, that this is not a threat,” said the manager of NASA’s Near Earth Object Program, Don Yeomans.
Scientists have been tracking the slowly spinning, spherical, dark-colored object since its discovery in 2005, and are positive it won’t do any damage. “We know the orbit of this object very well,” Yeomans said.
If 2005 YU55 were to plow into the home planet, it would blast out a crater four miles across and 1,700 feet deep, according to Melosh’s calculations. Think a magnitude-7 earthquake and 70-foot-high tsunami waves.
Originally posted by TomServo
reply to post by Shadowalker
This goes for everyone... I Never said its going to hit earth. I dont know either way. I am strictly flagging an inconsistency in the data provided by JPL. I provided a bit if analysis, yielding alternative results. It's up to each of you to come to your own conclusion. The distance/time chart is a simple enough illustration, and imo should make anyone 'suspicious'!
Originally posted by mockrock
Originally posted by TomServo
reply to post by Shadowalker
This goes for everyone... I Never said its going to hit earth. I dont know either way. I am strictly flagging an inconsistency in the data provided by JPL. I provided a bit if analysis, yielding alternative results. It's up to each of you to come to your own conclusion. The distance/time chart is a simple enough illustration, and imo should make anyone 'suspicious'!
Could you look at the JPL data to check this ?
They say the last closest pass of an asteroid similar in size (well 200M) was in 1976 when Asteroid 2010 XC15 came within 0.5 lunar distance, but the JPL data does not show it came anywhere near that distance in 1976..
If you run the JPL animation backwards the closest it comes is
0.012 AU
To save you some time this happened on 25th December 1976.
or 0.012 AU = 1,115,469 miles =1,795,173 kilometers
"1976, Dec 26
Asteroid 2010 XC15 (H = 21.4 mag, D ≈ 200 m, PHA) passed Earth at 0.5 LD."
But lunar distance is 0.0024-0.0027 AU.. so why are they telling us that the 1976 asteroid 2010 XC15 came within 0.5 LD ? Which would be 0.001 AU
This grows more mysterious by the day...
www.iau.org...
ssd.jpl.nasa.gov...
Could YU55 have made a near pass in 1976 ? and the data have been altered so we can't plot it's true trajectory..
Text Can the super brain debunkers get on this.. hopefully I made an error, Proudbird where are you when we need you?
edit on 7-11-2011 by mockrock because: (no reason given)edit on 7-11-2011 by mockrock because: (no reason given)
Scientists have been tracking the slowly spinning, spherical, dark-colored object since its discovery in 2005, and are positive it won’t do any damage. “We know the orbit of this object very well,” Yeomans said.
The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.