HD 16417 b
Description: HD 16417 b is an extrasolar planet located approximately 83 light years away in the constellation of Fornax, orbiting the 6th magnitude G-type main sequence star HD 16417. This planet has a minimum mass only 7% that of Jupiter, making it a Neptune-mass planet. In addition to this, it orbits relatively close to the host star and suffers high temperature. It is the third planet discovered in the Fornax constellation on February 23, 2009. This planet was discovered by a method called the radial velocity method.
Physical Properties
Mass (Jupiter mass): Unknown
Radius (Jupiter radius): 0.446 RJ
Density: 0.972 g/cm³
Equilibrium Temperature: Unknown
Orbital Parameters
Orbital Period: 17.24 days
Semi-major Axis: 0.14 AU
Eccentricity: 0.2
Inclination: Unknown
Host Star Properties
Host Star: HD 16417
Spectral Type: G1 V
Temperature: 5841.0 K
Stellar Mass: 1.2 M☉
Stellar Radius: 1.64 R☉
Discovery Information
Planet Letter: b
Object ID: 3.11147
Host ID: 2.54433
Discovery Date: 2009-06
Discovery Year: 2008
Discovery Method: Radial Velocity
Discovery Locale: Ground
Discovery Facility: Anglo-Australian Telescope
Discovery Instrument: UCLES Spectrograph