HD 134987 b
Description: 23 Librae b, also known as HD 134987 b, is an extrasolar Jovian planet discovered in November 1999 orbiting the star 23 Librae. It orbits in its star's habitable zone.
Physical Properties
Mass (Jupiter mass): Unknown
Radius (Jupiter radius): 1.21 RJ
Density: 1.14 g/cm³
Equilibrium Temperature: Unknown
Orbital Parameters
Orbital Period: 258.17999 days
Semi-major Axis: 0.81 AU
Eccentricity: 0.23
Inclination: Unknown
Host Star Properties
Host Star: HD 134987
Spectral Type: G5 V
Temperature: 5736.0 K
Stellar Mass: 1.1 M☉
Stellar Radius: 1.22 R☉
Discovery Information
Planet Letter: b
Object ID: 3.11095
Host ID: 2.57396
Discovery Date: 2000-06
Discovery Year: 1999
Discovery Method: Radial Velocity
Discovery Locale: Ground
Discovery Facility: W. M. Keck Observatory
Discovery Instrument: HIRES Spectrometer