Trojan asteroid

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Trojan asteroid refers to asteroids orbiting in the 4th and 5th Lagrange points of major planets in the Solar System. Currently there are six planets known to have trojans:[citation needed]

It is possible Mercury and Saturn have trojan asteroids, but none have been discovered so far due to Mercury's proximity to the Sun hindering the observation of such objects, and Saturn's proximity to Jupiter throwing possible would-be trojans out of a stable orbit with Saturn.[1]


  1. ^ Baudisch, H; Dvorak, R. "Where are the Saturn trojans?" (PDF). Retrieved 18 April 2016.