Earth trojan
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An Earth trojan is an asteroid that orbits the Sun in the vicinity of the Earth–Sun Lagrange points L4 or L5, thus having an orbit similar to Earth's. Only two Earth trojans have so far been discovere
2010 TK7, one of the two known Earth trojans, is located at the lower right, circled by a small green ring.
Illustration of Trojan Asteroid 2020 XL5
Lagrange point
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In celestial mechanics, the Lagrange points, also called the Lagrangian points or libration points, are points of equilibrium for small-mass objects under the gravitational influence of two massive or
Earth trojan
…An Earth trojan is an asteroid that orbits the Sun in the vicinity of the Earth–Sun Lagrange points L4 (leading 60°) or L5 (trailing 60°), thus having an orbit similar to Earth's. Only two Earth trojans have so far been discovered. The name "trojan…
The Lagrangian L2 point for the Sun–Earth system