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
Asteroid
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An asteroid is a minor planet—an object larger than a meteoroid that is neither a planet nor an identified comet—that orbits within the inner Solar System or is co-orbital with Jupiter. Asteroids are
A composite image, to the same scale, of the asteroids imaged at high resolution prior to 2012. They are, from largest to smallest: 4 Vesta, 21 Lutetia, 253 Mathilde, 243 Ida and its moon Dactyl, 433 Eros, 951 Gaspra, 2867 Šteins, 25143 Itokawa.
Vesta (left), with Ceres (center) and the Moon (right) shown to scale
Giuseppe Velasquez, Giuseppe Piazzi and Ceres, oil on canvas, c. 1803
2013 EC, shown here in radar images, has a provisional designation