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Asteroids and the Asteroid Belt

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Ida

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Size: 31.4x12.2x7.6 km, Orbit: 2.86 AU from the Sun, Interesting Fact: Ida has its own moon named Dactyl, the first discovered asteroid moon.

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Psyche

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Size: 226x185x153 km, Orbit: 2.92 AU from the Sun, Interesting Fact: Psyche is thought to be the exposed iron core of a protoplanet and is the target of an upcoming NASA mission.

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Mathilde

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Size: 52.8x50.2x33.4 km, Orbit: 2.65 AU from the Sun, Interesting Fact: Mathilde has a very low density, indicating it may have a porous structure.

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Eros

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Size: 16.84x8.41x8.04 km, Orbit: 1.458 AU from the Sun, Interesting Fact: Eros was the first asteroid to be orbited by a spacecraft (NEAR Shoemaker).

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Didymos

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Size: 780 meters (primary), Orbit: 1.643 AU from the Sun, Interesting Fact: Didymos has a smaller moonlet named Dimorphos, which was the target of the DART mission to test asteroid deflection strategies.

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Gaspra

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Size: 18.2x10.5x8.9 km, Orbit: 2.21 AU from the Sun, Interesting Fact: Gaspra was the first asteroid to be imaged in close detail by the Galileo spacecraft.

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Kleopatra

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Size: 217x94x81 km, Orbit: 2.79 AU from the Sun, Interesting Fact: Kleopatra is a dog-bone shaped asteroid and likely a rubble pile structure.

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Itokawa

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Size: 535x294x209 meters, Orbit: 1.324 AU from the Sun, Interesting Fact: Itokawa was visited by the Japanese Hayabusa spacecraft, which returned samples to Earth.

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Bennu

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Size: 490x410x400 meters, Orbit: 1.126 AU from the Sun, Interesting Fact: Bennu is a carbonaceous asteroid and a near-Earth object, visited by NASA's OSIRIS-REx mission.

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Apophis

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Size: 370x160x120 meters, Orbit: 0.922 AU from the Sun, Interesting Fact: Apophis is a potentially hazardous asteroid that will have a close approach to Earth in 2029.

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Ceres

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Size: 940 km diameter, Orbit: 2.77 AU from the Sun, Interesting Fact: Ceres is the largest asteroid and is classified as a dwarf planet.

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Vesta

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Size: 525 km diameter, Orbit: 2.36 AU from the Sun, Interesting Fact: Vesta has a unique surface feature, a gigantic crater called Rheasilvia.

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Hygiea

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Size: 434 km diameter, Orbit: 3.14 AU from the Sun, Interesting Fact: Hygiea may qualify as a dormant or extinct comet.

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P/2013 P5 (PANSTARRS)

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Size: Main body approximately 240 meters, Orbit: 2.189 AU from the Sun, Interesting Fact: This asteroid has displayed comet-like activity, with multiple dust tails.

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Pallas

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Size: 512 km diameter, Orbit: 2.77 AU from the Sun, Interesting Fact: Pallas has a highly inclined orbit compared to the ecliptic plane.

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