Tags: Planet.
Mu Arae b (also referred to as HD 160691 b) is an extrasolar planet orbiting the star Mu Arae of the constellation Ara. It’s at least one and a half times the mass of Jupiter and its orbital period is 643.25 days. The discovery of this planet was announced on December 12 2002 and was originally thought to be on a highly eccentric orbit. The latest models of the its solar system which incorporate four planets give a lower eccentricity orbit.
