HD 38801 b
Description: HD 38801 b is an extrasolar gas giant planet located in the constellation of Orion whose discovery was announced in 2009 and was made using the radial velocity method. The object, with a mass roughly 12 times that of Jupiter, is located 324 light years from Earth orbiting 1.65 astronomical units from its G-type star, HD 38801. HD 38801 b, besides being the only planet in its system also lies within the inner habitable zone and takes around 1.9 years, or 693.5 days to complete a full orbit.
Physical Properties
Mass (Jupiter mass): Unknown
Radius (Jupiter radius): 1.11 RJ
Density: 8.67 g/cm³
Equilibrium Temperature: Unknown
Orbital Parameters
Orbital Period: 685.25 days
Semi-major Axis: 1.623 AU
Eccentricity: 0.017
Inclination: Unknown
Host Star Properties
Host Star: HD 38801
Spectral Type: K0
Temperature: 5338.0 K
Stellar Mass: 1.21 M☉
Stellar Radius: 2.03 R☉
Discovery Information
Planet Letter: b
Object ID: 3.11279
Host ID: 2.55259
Discovery Date: 2010-05
Discovery Year: 2009
Discovery Method: Radial Velocity
Discovery Locale: Ground
Discovery Facility: Subaru Telescope
Discovery Instrument: HDS Spectrograph