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Asteroid YU55 is about to flyby on Tuesday night closer than the Moon.

News stories have kept it quiet to avoid panic but tomorrow night it happens.

The mass of the earth is already being affected as reported today that the standard One kilogram weight has changed

Good luck everyone

Did anyone see The Fifth Element. Hope Bruce Willis ready

So am I Lighter or heavier today? Need to know if the scales are going to boost morale!

Not sure how much lighter you will be tomorrow

The boffins are baffled LOL

Nasa say it will miss us

but they also said its gravity will not affect us, well they got that bit wrong, lol

NASA is certain that it will miss us, and “the gravitational influence of the asteroid will have no detectable effect on anything here on Earth, including our planet’s tides or tectonic plates”.

http://www.wired.com/wiredscience/2011/11/asteroid-2005-yu55/

Its only when it slows down and hovers over Washington that we should worry

pmsl....you dont post anything for ages and when you do its talented stuff. Tom i'm so pleased you are so good at the pokers but refuse to get involved in p.h.a. shite

Why have they got it wrong?  It's the size of an aircraft carrier - so it will have the same gravitational pull as an...aircraft carrier.  We have quite a few aircraft carriers on earth and as one comes into port it doesn't have any noticeable gravitational affect on any locals.

'same bulk as a nuclear aircraft carrier'

lol comedy scaremongering

lol was going to say not sure how something so small can adjust the gravitational pull, obv weighs more than an aircraft carrier but a chnunk less then a small mountain

Mass of moon = 7.347 x 10²² kg = 73,470,000,000,000,000,000,000 kg

Mass of the asteroid = 55,000,000,000 kg


If you do the maths, the gravitational effect on the moon's orbit will be less than 500 nanometres (i.e. unobservable).

Yeah, a big aircraft carrier only weighs 100,000,000 kg

the Nimitz super carrier does weigh 100,000 tons. but the YU55 asteroid has not been weighed yet. They only know how long it is .

The Nimitz-class supercarriers are a class of ten nuclear-powered aircraft carriers in service with the United States Navy. With an overall length of 1,092 ft (333 m) and full-load displacements of over 100,000 long tons,[1] they are the largest capital ships in the world.

Good fred. Feel like i'm learning alot. :)up

fyp. And no, it hasn't.

I probably exert more gravitational force on you than the asteroid is at the moment.

In fact I've just calculated that I exert more gravitational force on anything within 15km of me than the asteroid ever will. I weigh about 478 million times less than asteroid. Gravity is an inverse-square-of-distance force, square root of 478m is about 20000. Asteroid approaching about 300000km, 300000/20000 = 15km. All numbers approx, but you get my point :). Oh, and the aircraft carrier will exert same gravity as asteroid at 400km or thereabouts.

Well, I say it hasn't, but the standard kilogram has been changing mass since it was created. There are many many articles about it.

None have anything to do with an approaching asteroid.

My sig is feeling entirely appropriate in this thread.

I thought that there was an international treaty so that no war ship could weigh more than 50 million tonnes?

no aliens signed up as far as i know

Not sure on that, but if it's the case it could be the unladen displacement that can't be more than 50 million kg ( 50,000 tonnes)?

The asteroid's relativistic mass increases with velocity.

Surely the asteroids biggest effect will be impact?

Not when it misses.

The White House normally ignores questions about aliens making contact with the Earth.

 But they have just made a public announcement that they are Not in contact with any Aliens, hmmmm

Also why has the now privately funded Seti been put on standby

At least I won't be the only one missing the world recently.

LOL - nh sir.

The effect of the small object on the larger is tiny, but it's still there. The earth, for example, is 0.000 003 Solar Masses, but it still has an effect on the Sun's position and velocity.
When you're looking for earth-like planets orbiting other stars, you can't see them directly, they are way too small. All you have to go on is that tiny wibble in the star's position.
If you stand on the top of St Paul's, and I stand at Heathrow holding up a coin, you would have to be able to measure the distance between the Queen's nose and her eyebrow on the coin, that's the kind of measurement we're talking.

Like I said, when it's at its closest to the moon as it travels on its course, the effect on the moon's orbit will be less than 500 nanometres. 

500nm = 0.0000005m = 0.0005mm

In real terms = zero.

Point taken, but why would God send them if they have no effect? Is this one a warning?

Should be interesting to see the footage of this.

With regards to the whole danger, asteroid, end of the world stuff; if there was a planet killer just days away from hitting the Earth would you want to know?

He's just a crap shot.

It'll be visible in the night sky with a basic telescope.  Nothing too exciting, and Bruce Willis won't be needed.

Yup I know, just hoping for some close up funky stuff.  Yes it's just a chunk of ice but would like an extreme close up of it shooting along.

Obviously Mr Willis would be needed unless Alan Rickman is riding the asteroid.

Hey Its on You Tube now

YouTube: http://www.youtube.com/watch?v=1gbVS905gqA

Nasa has also reported a giant sunspot 8 times bigger than the earth has appeared on the Sun. If a solar flare is released tomorrow , will it affect YU55 .

Time will tell

I'm stocking up on tins of baked beans and toilet paper just in case

How will it affect the asteroid?

The impact ( Flyby ) will be at 11.28pm tonight

best keep your windows shut , just in case

Are we all dead?

i definately feel heavier

Good breakfast?

Damn. Another excuse for the wedding not to go ahead, right out the window rotflmfao

I won a flip last night, must be due to the asteriod.

This asteroid just missed the planet by 201,000 miles. Scientists have therefore renamed it "Emile Heskey".

The radio telescopes at SETI have been sending a message back along the flight path of the asteroid in universal lingua code, along with details of our worlds resources and population it also included the phrase " You Missed "

[ ] SETI still operates radio telescopes

Like anything else he's posted in the thread has been factually accurate :D

I've just decided I'm going to respond to every single one of Crow's posts that I read with a [ ]

[X] until I get bored