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.