[NormsRevenge]

Two small asteroids in unrelated orbits are passing within the moon's distance of Earth on Wednesday,
Sept. 8, 2010. Both should be observable with moderate-sized amateur telescopes. Credit: NASA/JPL

[GeronL]

What is their speed?

[STE=Q]

Two small asteroids in unrelated orbits are passing within the moon's distance of Earth on Wednesday

That's pretty close.

How long before one of these asteroids hits us is anybodies guess.

We need to get a reliable system in place to deflect, or break them up, before earth gets hit by one.

STE=Q