HAT-P-11 b
Description: HAT-P-11b is an extrasolar planet orbiting the star HAT-P-11. It was discovered by the HATNet Project team in 2009 using the transit method, and submitted for publication on 2 January 2009.
Physical Properties
Mass (Jupiter mass): 0.0787 MJ
Radius (Jupiter radius): 0.389 RJ
Density: 1.172 g/cm³
Equilibrium Temperature: 838.0 K
Orbital Parameters
Orbital Period: 4.888 days
Semi-major Axis: 0.05258 AU
Eccentricity: 0.251
Inclination: 89.027°
Host Star Properties
Host Star: HAT-P-11
Spectral Type: K4
Temperature: 4653.0 K
Stellar Mass: 0.81 M☉
Stellar Radius: 0.68 R☉
Discovery Information
Planet Letter: b
Object ID: 3.9
Host ID: 2.19473
Discovery Date: 2010-02
Discovery Year: 2008
Discovery Method: Transit
Discovery Locale: Ground
Discovery Facility: HATNet
Discovery Instrument: 2K CCD Sensor