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(687170) 2011 QF 99 was identified as the first Uranus trojan in 2013. It is located at the L 4 Lagrangian point. A second one, (636872) 2014 YX 49, was announced in 2017. [17] 2013 ND 15 is a temporary Venusian trojan, the first one to be identified. The large asteroids Ceres and Vesta have temporary trojans. [18]
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.
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.
Asteroids in the leading (L 4) orbit are named after Greek heroes (the "Greek node or camp" or "Achilles group"), and those at the trailing (L 5) orbit are named after the heroes of Troy (the "Trojan node or camp"). [2] The asteroids 617 Patroclus and 624 Hektor were named before the Greece/Troy rule was devised, resulting in a "Greek spy ...
Astronomers spotted a possible “sibling” planet that shares the orbit of another exoplanet in a system located 370 light-years away.
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
The L 5 group (shown in green) and the L 4 group (light blue) of Mars and Jupiter trojan asteroids shown along with the orbits of Jupiter and the inner planets. Mars is shown in red. The outer orbit is that of Jupiter. Animation of 1999 UJ7 relative to Sun and Mars 1600-2500
This makes 2020 XL 5 the largest Earth trojan asteroid known to date, being up to three times as large as the 0.3 km (0.19 mi)-sized 2010 TK 7. [ 7 ] Because 2020 XL 5 is only visible at low altitudes in the sky during twilight , atmospheric distortions and scattered light from the Sun hinder accurate photometry of the asteroid's light curve ...