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Could asteroid YU55 change the moon's orbit? The linked animation shows it very close to the moon!

 
Anonymous Coward
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05/16/2011 06:49 PM
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Could asteroid YU55 change the moon's orbit? The linked animation shows it very close to the moon!
Check out the animation in the link. Looks like it comes close to the moon.

[link to www.spacedaily.com]
Anonymous Coward (OP)
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05/16/2011 07:02 PM
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Re: Could asteroid YU55 change the moon's orbit? The linked animation shows it very close to the moon!
That could really mess things up if it did change the moon's orbit.
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05/16/2011 07:22 PM
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Re: Could asteroid YU55 change the moon's orbit? The linked animation shows it very close to the moon!
Bump!

If the moon's orbit changed it would alter the tidal currents and the weather.
Anonymous Coward
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05/16/2011 07:29 PM
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Re: Could asteroid YU55 change the moon's orbit? The linked animation shows it very close to the moon!
Yes it really could do something... but we're waiting to get past the May 21st doom first. Please take a number. Nothing personal, just doomsday business.
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05/16/2011 07:42 PM
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Re: Could asteroid YU55 change the moon's orbit? The linked animation shows it very close to the moon!
Yes it can, but how much??? It's pretty big, and in motion, and YU55 is pretty small against the moon. I would suspect if it did change it, it would be hard to measure such a small change. Besides, the moon is leaving us at a rate of 1 inch a year. It may make it say a bit longer so we don't get so lonely...?
Anonymous Coward
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05/16/2011 07:42 PM
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Re: Could asteroid YU55 change the moon's orbit? The linked animation shows it very close to the moon!
However, this will be the closest approach to date by an object this large that we know about in advance and an event of this type will not happen again until 2028 when asteroid (153814) 2001 WN5 will pass to within 0.6 lunar distances.

So...if this one don't mess things up, there's another one. Just great.

bump
AstromutModerator
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10/26/2011 01:47 PM

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Re: Could asteroid YU55 change the moon's orbit? The linked animation shows it very close to the moon!
That could really mess things up if it did change the moon's orbit.
 Quoting: Everyday is Friday


Not going to happen. Just as a way of illustrating how miniscule the gravity of an asteroid is, even very large asteroids like Vesta have a surface gravity of about 0.022 g's. 2005 YU55 is not going to appreciably effect the moon's orbit in any way. You've given me a new fun idea to sim in ORSA though.
astrobanner2
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10/26/2011 01:53 PM
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Re: Could asteroid YU55 change the moon's orbit? The linked animation shows it very close to the moon!
That could really mess things up if it did change the moon's orbit.
 Quoting: Everyday is Friday


Not going to happen. Just as a way of illustrating how miniscule the gravity of an asteroid is, even very large asteroids like Vesta have a surface gravity of about 0.022 g's. 2005 YU55 is not going to appreciably effect the moon's orbit in any way. You've given me a new fun idea to sim in ORSA though.
 Quoting: Astromut


Can't wait to see what you're going to do.

hmm
Anonymous Coward
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10/26/2011 02:17 PM
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Re: Could asteroid YU55 change the moon's orbit? The linked animation shows it very close to the moon!
what kind of idiots actually believe that the moon controls ANYTHING? much less the tides? the moon hasn't even always been in earth's orbit nor is it a natural object. it's a gotdam spaceship fools.
AstromutModerator
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10/26/2011 10:33 PM

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Re: Could asteroid YU55 change the moon's orbit? The linked animation shows it very close to the moon!
That could really mess things up if it did change the moon's orbit.
 Quoting: Everyday is Friday


Not going to happen. Just as a way of illustrating how miniscule the gravity of an asteroid is, even very large asteroids like Vesta have a surface gravity of about 0.022 g's. 2005 YU55 is not going to appreciably effect the moon's orbit in any way. You've given me a new fun idea to sim in ORSA though.
 Quoting: Astromut


Can't wait to see what you're going to do.

hmm
 Quoting: Everyday is Friday


Ok, so I used ORSA ( [link to orsa.sourceforge.net] ) to see how much 2005 YU55 will alter the position of the moon as it passes by. I simulated it starting tonight through November 10th after the asteroid has passed by. I gave 2005 YU55 a mass of 55,000,000,000 kg and then simulated the same time period with a mass of 0 kg to see what the difference in the moon's position would be. The answer? 429.281499 nanometers. That's several orders of magnitude below detection, even by lunar laser ranging.
astrobanner2
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Re: Could asteroid YU55 change the moon's orbit? The linked animation shows it very close to the moon!
That could really mess things up if it did change the moon's orbit.
 Quoting: Everyday is Friday


Not going to happen. Just as a way of illustrating how miniscule the gravity of an asteroid is, even very large asteroids like Vesta have a surface gravity of about 0.022 g's. 2005 YU55 is not going to appreciably effect the moon's orbit in any way. You've given me a new fun idea to sim in ORSA though.
 Quoting: Astromut


Can't wait to see what you're going to do.

hmm
 Quoting: Everyday is Friday


Ok, so I used ORSA ( [link to orsa.sourceforge.net] ) to see how much 2005 YU55 will alter the position of the moon as it passes by. I simulated it starting tonight through November 10th after the asteroid has passed by. I gave 2005 YU55 a mass of 55,000,000,000 kg and then simulated the same time period with a mass of 0 kg to see what the difference in the moon's position would be. The answer? 429.281499 nanometers. That's several orders of magnitude below detection, even by lunar laser ranging.
 Quoting: Astromut


Whoever left that comment on my karma, you cannot provide proof that my findings are not truthful, therefore my findings are true. See? Two can play that game (in all seriousness, your logic sucks).
hf
By the way, they actually are truthful findings. I actually did simulate earth's encounter with the asteroid:
[link to www.youtube.com]
The graphical output doesn't show you a 429.281499 nanometer change, so I didn't bother showing the comparison of the massive and massless tests; that was determined from the raw output of the results of the moon's position from the program, which exports as a text file. You'll have to run it yourself if you want to see, the output files are much too large to post here in their entirety.

Last Edited by Astromut on 10/27/2011 12:24 AM
astrobanner2
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Re: Could asteroid YU55 change the moon's orbit? The linked animation shows it very close to the moon!
...


Not going to happen. Just as a way of illustrating how miniscule the gravity of an asteroid is, even very large asteroids like Vesta have a surface gravity of about 0.022 g's. 2005 YU55 is not going to appreciably effect the moon's orbit in any way. You've given me a new fun idea to sim in ORSA though.
 Quoting: Astromut


Can't wait to see what you're going to do.

hmm
 Quoting: Everyday is Friday


Ok, so I used ORSA ( [link to orsa.sourceforge.net] ) to see how much 2005 YU55 will alter the position of the moon as it passes by. I simulated it starting tonight through November 10th after the asteroid has passed by. I gave 2005 YU55 a mass of 55,000,000,000 kg and then simulated the same time period with a mass of 0 kg to see what the difference in the moon's position would be. The answer? 429.281499 nanometers. That's several orders of magnitude below detection, even by lunar laser ranging.
 Quoting: Astromut


Whoever left that comment on my karma, you cannot provide proof that my findings are not truthful, therefore my findings are true. See? Two can play that game (in all seriousness, your logic sucks).
hf
By the way, they actually are truthful findings. I actually did simulate earth's encounter with the asteroid:
[link to www.youtube.com]
The graphical output doesn't show you a 429.281499 nanometer change, so I didn't bother showing the comparison of the massive and massless tests; that was determined from the raw output of the results of the moon's position from the program, which exports as a text file. You'll have to run it yourself if you want to see, the output files are much too large to post here in their entirety.
 Quoting: Astromut


Thanks for taking the time to do that. There are many of us here that do appreciate your posts and the time you spend doing things like this.





GLP