HD 3651 b
Description: 54 Piscium b, occasionally catalogued as 54 Piscium Ab to differentiate from the brown dwarf in the system, is an extrasolar planet approximately 36 light-years away in the constellation of Pisces. It was discovered orbiting the orange dwarf star 54 Piscium. Its minimum mass is one-fifth that of Jupiter, and it orbits the star in a very eccentric orbit about every two months.
Physical Properties
Mass (Jupiter mass): Unknown
Radius (Jupiter radius): 0.899 RJ
Density: 0.386 g/cm³
Equilibrium Temperature: Unknown
Orbital Parameters
Orbital Period: 62.25 days
Semi-major Axis: 0.295 AU
Eccentricity: 0.645
Inclination: Unknown
Host Star Properties
Host Star: HD 3651
Spectral Type: K0 V
Temperature: 5221.0 K
Stellar Mass: 0.8 M☉
Stellar Radius: 0.87 R☉
Discovery Information
Planet Letter: b
Object ID: 3.11272
Host ID: 2.54011
Discovery Date: 2003-06
Discovery Year: 2003
Discovery Method: Radial Velocity
Discovery Locale: Ground
Discovery Facility: Multiple Observatories
Discovery Instrument: Multiple Instruments