2011 QF99 is the first and as of 2013 the only Uranus trojan identified. It was discovered in 2011 during a deep survey of trans-Neptunian objects conducted with the Canada–France–Hawaii Telescope. It is believed to be roughly 60 km in diameter assuming an albedo of 0.05.2011 QF99 temporarily orbits near Uranus’s L4 Langrangian point (leading Uranus).
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