HR 810 b
Description: Iota Horologii b, often catalogued HR 810 b, is an extrasolar planet approximately 56.5 light-years away in the constellation of Horologium. Iota Horologii b has a minimum mass 2.26 times that of Jupiter; astrometric measurements from Gaia suggest it has a true mass of 6.2 MJ.
Physical Properties
Mass (Jupiter mass): 6.2 MJ
Radius (Jupiter radius): 1.14 RJ
Density: 5.29 g/cm³
Equilibrium Temperature: Unknown
Orbital Parameters
Orbital Period: 302.79999 days
Semi-major Axis: 0.92 AU
Eccentricity: 0.14
Inclination: 87.0°
Host Star Properties
Host Star: HR 810
Spectral Type: G0V
Temperature: 6167.0 K
Stellar Mass: 1.34 M☉
Stellar Radius: 1.13 R☉
Discovery Information
Planet Letter: b
Object ID: 3.11389
Host ID: 2.54444
Discovery Date: 2000-01
Discovery Year: 1999
Discovery Method: Radial Velocity
Discovery Locale: Ground
Discovery Facility: La Silla Observatory
Discovery Instrument: CES Spectrograph