(574372) 2010 JO179, provisional designation: 2010 JO179, is a large, high-order resonant trans-Neptunian object in the outermost regions of the Solar System, approximately 700 kilometers (430 miles) in diameter. Long-term observations suggest that the object is in a meta-stable 5:21 resonance with Neptune. Other sources classify it as a scattered disc object.It is possibly large enough to be a dwarf planet.