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Asteroids are minor planets (small Solar System bodies and
dwarf planets) that are not comets.
They have also been called planetoids.
There are millions of asteroids, many thought to be the shattered
remnants of planetesimals, bodies within the young Sun'ssolar
nebula that never grew large enough to become planets.
KINDS OF ASTEROID
ASTEROID BELT
TROJAN ASTEROID
HILDA’S ASTEROID
REFLECTION:
THEREFOR, THERE HAVE LOTS OF ASTEROIDS IN OUR SOLAR SYSTEM. THEY ARE MOVING IN THE ORBITS OF
PARTICULAR PLANETS SUCH AS MARS AND JUPITER.
References
 http://en.wikipedia.org/wiki/Asteroid
 http://t1.gstatic.com/images?q=tbn:ANd9GcSLSiMqJ5Ic56lvvb0ZT_1el03I_ycEI6xAEJLSQMBqypNOQ3wDg
 http://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/InnerSolarSystem
-en.png/400px-InnerSolarSystem-en.png
 http://en.wikipedia.org/wiki/Trojan_(astronomy)
 http://en.wikipedia.org/wiki/Hilda_family
 http://mail.colonial.net/~hkaiter/aa_newest_images/Asteroid_belt_between_
Mars_&_Jupiter.PNG
 Trojan asteroids of Jupiter (colored green) in front of and behind the planet along its orbital path.
In astronomy, a Trojan is a minor planet or natural satellite (moon) that shares an
orbit with a planet or larger moon
The term "trojan" originally referred to the "trojan asteroids" that orbit close to the
Lagrangian points of Jupiter.
 These have long been named after characters from the Trojan War of Greek
mythology.
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 The Hilda or Hildian asteroids are a dynamical group of asteroids in a 3:2 orbital
resonance with Jupiter.
 Hilda’s move in their elliptical orbits so that their aphelia put them opposite Jupiter, or 60
degrees ahead of or behind Jupiter at the L4and L5 Lagrangian points.
 Over three successive orbits each Hilda asteroid passes through all of these three points
in sequence.
 They do not form a true asteroid family, in the sense that they do not descend from a
common parent object.
 The namesake is 153 Hilda, discovered by Johann Palisa in 1875.
 There are more than 1,100 known Hilda asteroids including unnumbered objects.[1][3]
 Color brown.
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The orbit of Jupiter, like that of
all the planets, is elliptical
instead of circular.
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The orbit of Mars is the second
most eccentric in the Solar
System.
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The asteroid belt is the region of the Solar System
located roughly between the orbits of the planets
Mars and Jupiter.
 white color
 It is occupied by numerous irregularly shaped
bodies called asteroids or minor planets.
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