sentences:  Salacia's orbit is within the parameter space of the Haumea collisional family, but Salacia is not part of it, because it lacks the strong water-ice absorption bands typical of its members.As of 2019, the total mass of the Salacia–Actaea system is estimated at , with an average system density of ; Salacia itself is estimated to be around 846 km in diameter.Salacia has the lowest albedo of any known large trans-Neptunian object.