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