Pollux b

Pollux b is an exoplanet, orbiting the subgiant Pollux every 589.6 days. Due to its mass is assumed that it is a gas planet. The planet was from Artie Hatzes et al. discovered in 2006 using the radial velocity method.

Circulation and mass

The planet orbits its star at a distance of about 1.7 astronomical units and has a mass of about 2.9 Jupiter masses ( about 920 Earth masses ).