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It doesn't. In an estimated 23 years, a belt of asteroids will collide with the earth.
it is how circular and asteroids orbit path is.
Asteroids have orbits that can vary widely compared to Earth's. While some asteroids, particularly those in the asteroid belt between Mars and Jupiter, have orbits that are more elliptical and can be inclined at different angles, others, like near-Earth asteroids, have orbits that can bring them close to Earth's path. However, unlike Earth’s stable and nearly circular orbit around the Sun, many asteroids exhibit more irregular paths due to gravitational influences from other celestial bodies.
Asteroids that occasionally cross the orbit of Earth are known as Near Earth Asteroids. Asteroids that both cross the orbit of the Earth and are large enough to pose a significant threat in the event of an impact are known as Potentially Hazardous Asteroids.
The Jupiter helps to divert the path of asteroids which would have otherwise smashed into the Earth and end Life as we know it.
Apollo asteroids are a group of near-Earth asteroids with orbits that intersect with Earth's orbit. They are named after the first asteroid of this group discovered, 1862 Apollo. Some Apollo asteroids are classified as potentially hazardous asteroids due to their close approach to Earth.
== == An ellipse. Like planets.
asteroids vary in size from rock size to earth size and bigger.
It is possible for comets and asteroids to hit Earth, but they are extremely rare events.
The asteroids.
No. Asteroids can hit anywhere on earth.
Main Belt asteroids -- a band of asteroids located in the "missing planet" gap between Mars and Jupiter. None of these are economically attractive in a near term program because they are too far from Earth.Amor asteroids -- asteroids whose orbits approach but do not cross Earth orbit, and whose orbits are further from the Sun than Earth's orbit (i.e., "outside-t" Earth orbit). Many have orbits which reside entirely between Earth and Mars. Some of these are economically attractive in the near term.Apollo asteroids -- asteroids whose orbits cross Earth's orbit. Apollo asteroids spend most of their time outside Earth orbit. Many of these are economically attractive in the near term.Aten asteroids -- asteroids whose orbits cross Earth's orbit. Unlike Apollos, Atens spend most of their time inside Earth orbit. A large percentage of known Atens are economically attractive in the near term.