HD 10697 b
Description: 109 Piscium b is a long-period extrasolar planet discovered in orbit around 109 Piscium. It is about 5.74 times the mass of Jupiter and is likely to be a gas giant. As is common for long-period planets discovered around other stars, it has an orbital eccentricity greater than that of Jupiter.
Physical Properties
Mass (Jupiter mass): 5.743 MJ
Radius (Jupiter radius): 1.14 RJ
Density: 4.78 g/cm³
Equilibrium Temperature: Unknown
Orbital Parameters
Orbital Period: 1075.3799 days
Semi-major Axis: 2.051 AU
Eccentricity: 0.104
Inclination: 86.116°
Host Star Properties
Host Star: HD 10697
Spectral Type: G3 V
Temperature: 5641.0 K
Stellar Mass: 0.99 M☉
Stellar Radius: 1.86 R☉
Discovery Information
Planet Letter: b
Object ID: 3.1105
Host ID: 2.54329
Discovery Date: 2000-06
Discovery Year: 1999
Discovery Method: Radial Velocity
Discovery Locale: Ground
Discovery Facility: W. M. Keck Observatory
Discovery Instrument: HIRES Spectrometer