Jupiter trojan
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The Jupiter trojans, commonly called trojan asteroids or simply trojans, are a large group of asteroids that share the planet Jupiter's orbit around the Sun. Relative to Jupiter, each trojan librates
Maximilian Franz Joseph Cornelius Wolf (1890)—the discoverer of the first trojan
A gravitational potential contour plot showing Earth's Lagrangian points; L4 and L5 are ahead (above) and behind (below) the planet, respectively. Jupiter's Lagrangian points are similarly situated in its much larger orbit.
Trojan 624 Hektor (indicated) is similar in brightness to dwarf planet Pluto.
Portrait of Jupiter from Cassini
Hilda asteroid
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The Hilda asteroids are a dynamical group of more than 6,000 asteroids located beyond the asteroid belt but within Jupiter's orbit, in a 3:2 orbital resonance with Jupiter; that is, while Jupiter orbi
Fig 1: The Hildas Triangle against a background of all known asteroids up to Jupiter's orbit. Fig 2: The positions of the Hildas against a background of their orbits.