HD 128311 c

HD 128311 c is an exoplanet, of the main sequence star HD 128311 orbits every 928 days. Due to its high mass is assumed that it is a gas planet.

Discovery

As the majority of exoplanets was also discovered that using the radial velocity method. The planet was by Steven Vogt et al. discovered in 2005.

Circulation and mass

The planet orbits its star at a distance of approximately 1.76 astronomical units and has a mass of about 1024 Earth masses and 3.22 Jupiter masses.