What notable feature is associated with the Trans-Neptunian Object known as Quaoar?

Answer

The presence of a significant moon system.

Quaoar is distinct within the Trans-Neptunian region because it possesses a significant moon system. Observations have verified its size at approximately 1,110 km in diameter, and its physical profile is reinforced by the presence of these orbiting satellites, which provide valuable data for determining its mass and density.

What notable feature is associated with the Trans-Neptunian Object known as Quaoar?
SpaceastronomylargestObjecttrans-Neptunian object