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Aten |
| a group of asteroids with semi-major axis less than 1.0 AU and aphelion distance greater than 0.983 AU |
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Apollo |
| Apollo a group of asteroids with semi-major axis greater than 1.0 AU and perihelion distance less than 1.017 AU |
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Trojan |
| a group of asteroids located near Jupiter's Lagrange points (60 degrees ahead and behind Jupiter in its orbit) |
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Amor |
| a group of asteroids with perihelion distance between 1.017 and 1.3 AU |
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Main Belt |
| a group of asteroids located between Mars and Jupiter roughly 2-4 AU from the Sun |
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