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<http://schema.org/articleBody>
"The Trojan asteroids that follow Mars in its orbit might have come from the planet itself, blown off in an ancient impact rather than being late arrivals, a new study suggests.&nbsp; Several planets in Earth's solar system have Trojan asteroids &mdash; bodies that run ahead of or behind the planet. Jupiter, for example, has thousands . Earth has at least one , discovered in 2010. Uranus , Neptune and Venus also have them. Trojan asteroids are so called because the first ones to be discovered were named&hellip;"
<https://www.space.com/37565-mars-trojan-asteroids-pieces-of-the-planet.html>