A Trojan planet is a planet that shares its orbit around the Sun with another planet, remaining in a stable position relative to the larger planet. Other possible synonyms for this celestial object include Trojan asteroids, Trojan moons, or Trojan celestial bodies. Trojan asteroids are small rocky bodies that are linked with a larger planet, while Trojan moons are moons that share the orbit of larger moons. Other terms that can be used to describe a Trojan planet include co-orbital planet, co-orbital moon, or binary planet. Overall, these synonyms help to describe the unique relationship between two celestial bodies that share the same orbit around a larger object.