New Earth Trojan asteroid (IMAGE) University of Barcelona Caption The second Earth Trojan asteroid known to date will remain Trojan —that is, it will be located at the Lagrangian point— for four thousand years, thus it is qualified as transient. Credit NOIRLab/NSF/AURA/J. da Silva/Spaceengine Acknowledgment: M. Zamani (NSF’s NOIRLab) Usage Restrictions Credit must be given to the creator. License CC BY 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.