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# How to calculate if an asteroid will hit the earth?

There is essentially no chance of any given asteroid ever hitting the Earth, because those with orbits that made them likely to hit the Earth have already hit the Earth. So it's not something you really need to worry about.

If you're just curious... well, really, you don't want to know that badly. It comes down to solving n-body gravitational equations, and for any reasonably sized n (i.e. larger than, say, 3) there is no known exact solution except in special cases, so you have to use numerical methods and hope the interesting bits don't get lost in rounding errors.

planets

# How fast can an asteroid go?

Asteroids orbit the sun at several tens of thousands of miles per hour. The speed varies depending on the orbit.

# Do asteroid hurt our atmosphere?

Well my dear friend. The flower power evolution has caused the co2 to blow up the world. Soon we will be dead, but who knows, maybe the Flower Power team will save the world? HELP THE FLOWER POWER EVOLUTION! Vote for McCain

# Is gravity what makes asteroids and comets move?

the gravity stops them from floating away

# Can you live on an asteroids?

no..... asteroids don't support life.

there is no atmosphere around asteroids which can hold air we breathe .

asteroids are rich in minerals and missions to asteroids are being planned in order to mine them

# What asteroid approach close to earth in 1931?

i am not quite sure what the aestroid is called although i do know that it has the letters : ROES...

# What year did the dinosaur's get killed by the asteroid that hit the earth?

65 million years ago.

# What two planets is the asteroid belt in our solar system between?

The Asteroid Belt orbits between Mars and Jupiter, at about 3 AU. There are several objects not properly classified as asteroids orbiting within the belt, mainly the dwarf planet Ceres and the protoplanets Vesta and Pallas.

# Are asteroids big?

They can be anything from 10 meters across to much, much larger objects, the largest is 940 Kilometers across.

# What is the largest object in the asteroid belt?

The largest object in the asteroid belt is Ceres at about 580 miles across. It is classified as a dwarf planet rather than an asteroid.

# Where can you find the asteroid belt?

It is between Mars and Jupiter.

# What is the average distance between asteroids in the asteroid belt?

Unlike old science fiction movies which gives you the impression that asteroids are close together, the average distance between asteroids is approximately 1 million km. If you were to travel through the asteroid belt, the chance of encountering an asteroid is next to nothing.

# How long is a year on vesta the asteroid?

The asteroid belt is a region about a hundred million miles across, so there's no such thing as "a year on the asteroid belt". Any given asteroid in the core region of the belt could have an orbital period from a little under 3 up to nearly 6 years.

1 Ceres, for example, has an orbital period of a bit under 1682 days (4.6 years).

# What atmospheric gases on asteroid belt?

The asteroid belt does not have an atmosphere.

# Where are most asteroids in our solar system found in space?

Asteroids are found all over the solar system. The vast majority is located in the asteroid belt between the orbits of Mars and Jupiter.

# Have any asteroids hit the space station?

Huston, we haven't been hit by space objects. I repeat, we have not been hit by space objects, YEAH!

# What are the differences between Pluto an a asteroid?

Pluto is technically an asteroid, but it's unusual in that it is ball-shaped. most asteroids are too small to form a ball shape.