385571 Otrera

(385571) Otrera (also 2004 UP₁₀) is a Neptune Trojan discovered by Scott S. Sheppard and Chadwick A. Trujillo in 2004. Only five others are known: 2001 QR₃₂₂, 2005 TN₅₃, 385695 Clete, 2006 RJ₁₀₃ and 2007 RW₁₀. They have the same orbital period as Neptune and orbit at the L₄ Lagrangian point about 60 degrees ahead of Neptune.