In 1772, Italian-born mathematician Joseph-Louis Lagrange, in studying the restricted three-body problem, predicted that a small body sharing an orbit with a planet but lying 60° ahead or behind it will be trapped near these points.
Jupiter | Trojan War | Jupiter (mythology) | Trojan Horse | Jupiter, Florida | The Trojan Women | North American T-28 Trojan | Jupiter (god) | Trojan war | Temple of Jupiter Optimus Maximus | The Trojan War Will Not Take Place | Temple of Jupiter | Hot Jupiter | Jumpin' Jupiter | Creationism's Trojan Horse: The Wedge of Intelligent Design | Killer Bunnies and the Journey to Jupiter | Jupiter's | Jupiter Farms | Creationism's Trojan Horse | 2009 Jupiter impact event | Trojan Yachts | Trojan Warrior | Trojan Odyssey | Trojan Horse (Luv' song) | Trojan horse (computing) | Tommy Trojan | The Trojan Women (film) | Sailor Jupiter | Roland Jupiter | Nexus: The Jupiter Incident |
13387 Irus (1998 YW6) is a Jupiter Trojan discovered on December 22, 1998 at the Astronomical Observatory of Farra d'Isonzo in Farra d'Isonzo, Gorizia, Italy.