Exoplanet
HD 17156 b
Orbiting HD 17156
Overview
HD 17156 b is an exoplanet orbiting the star HD 17156, discovered in 2007 using the Radial Velocity method. It is a Jupiter-sized world.
Key Measurements
Radius
12.26
Earth radii
015 R⊕
Mass
1036.12
Earth masses
0500 M⊕
Orbital Period
21.2
days
0.1d10,000d
Distance
78.1
parsecs
Nearby10,000 pc
Equilibrium Temp
888
K
150 K3,500 K
Radius (Earth radii)
12.26
Mass (Earth masses)
1036.12
Measured
Equilibrium Temperature
888 K
Orbital Period
21.22 days
Distance from Earth
78.1 pc (~255 ly)
Spectral Type
Unknown
Temperature
6046 K
Mass (Solar)
1.28 M☉
Radius (Solar)
1.52 R☉
Luminosity
0.44 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
42.4366°, 71.7531°
Discovery Method
Radial Velocity
Discovery Year
2007
Data Sources
Source ID: HD 17156 b