Lucy Orbit Towards Trojan Asteroids (IMAGE) Southwest Research Institute Caption With the successful completion of NASA's critical design review, the SwRI-led Lucy mission is on track to launch in 2021 to explore the enigmatic Trojan asteroids, an ancient population of objects that orbit in tandem with Jupiter. Credit NASA/Southwest Research Institute Usage Restrictions Images/videos may be used by the media and the public for educational and informational purposes only License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.