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Lucy is a NASA space probe on a twelve-year journey to eight different asteroids. It is slated to visit two main belt asteroids as well as six Jupiter trojans – asteroids that share Jupiter's orbit around the Sun, orbiting either ahead of or behind the planet. [4] [5] All target encounters will be flyby encounters. [6]
In astronomy, a trojan is a small celestial body (mostly asteroids) that shares the orbit of a larger body, remaining in a stable orbit approximately 60° ahead of or behind the main body near one of its Lagrangian points L 4 and L 5. Trojans can share the orbits of planets or of large moons. Trojans are one type of co-orbital object.
617 Patroclus (/ p ə ˈ t r oʊ k l ə s / pə-TROH-kləs) is a large binary Jupiter trojan asteroid. It is a dark D-type asteroid and a slow rotator, due to the 103-hour orbital period of its two components. It is one of five Jupiter trojan asteroids targeted by the Lucy space probe, and is scheduled for a flyby in 2033.
Lucy will provide the first high-resolution images of what these asteroids look like. Lucy is scheduled to reach the Trojan asteroids in 2027. Each of the asteroids Lucy is set to fly by differ in ...
Minor planets in the L 4 and L 5 Sun–Neptune Lagrangian points are called Neptune trojans, with a lower-case t, as "Trojan asteroid" was originally defined as a term for Lagrangian asteroids of Jupiter. Data from: Minor Planet Center
This is a list of Jupiter trojans that lie in the Trojan camp, an elongated curved region around the trailing L 5 Lagrangian point, 60° behind Jupiter in its orbit.. All the asteroids at the trailing L 5 point have names corresponding to participants on the Trojan side of the Trojan War, except for 617 Patroclus, which was named before this naming convention was instituted.
Astronomers spotted a possible “sibling” planet that shares the orbit of another exoplanet in a system located 370 light-years away.
2013 ND 15 is not included in the Minor Planet Center list of potentially hazardous asteroids because its absolute magnitude is greater than 22.0, even though it comes to within 0.05 AU of Earth periodically. It approached Earth at 0.077 AU on 21 June 2016.