HAT-P-2 b
Description: HAT-P-2b is an extrasolar planet detected by the HATNet Project in May 2007. It orbits a class F star HAT-P-2,, located about 420 light-years away in the constellation Hercules.
Physical Properties
Mass (Jupiter mass): 9.02 MJ
Radius (Jupiter radius): 0.951 RJ
Density: 7.29 g/cm³
Equilibrium Temperature: 1540.0 K
Orbital Parameters
Orbital Period: 5.6335158 days
Semi-major Axis: 0.06814 AU
Eccentricity: 0.5172
Inclination: 86.16°
Host Star Properties
Host Star: HAT-P-2
Spectral Type: F8
Temperature: 6380.0 K
Stellar Mass: 1.33 M☉
Stellar Radius: 1.39 R☉
Discovery Information
Planet Letter: b
Object ID: 3.11014
Host ID: 2.57814
Discovery Date: 2007-11
Discovery Year: 2007
Discovery Method: Transit
Discovery Locale: Ground
Discovery Facility: HATNet
Discovery Instrument: 2K CCD Sensor