Exoplanet
HR 8799 b
Orbiting HR 8799
Overview
HR 8799 b is an exoplanet orbiting the star HR 8799, discovered in 2008 using the Imaging method. It is a Jupiter-sized world.
Key Measurements
Radius
13.00
Earth radii
015 R⊕
Mass
2000.00
Earth masses
0500 M⊕
Orbital Period
170000.0
days
0.1d10,000d
Distance
41.2
parsecs
Nearby10,000 pc
Radius (Earth radii)
13.00
Mass (Earth masses)
2000.00
Measured
Equilibrium Temperature
Unknown
Orbital Period
170000.00 days
Distance from Earth
41.2 pc (~135 ly)
Spectral Type
A5 V
Temperature
Unknown
Mass (Solar)
1.50 M☉
Radius (Solar)
Unknown
Luminosity
0.69 log L☉
Planets in System
4
Stars in System
1
Coordinates (RA, Dec)
346.8701°, 21.1340°
Discovery Method
Imaging
Discovery Year
2008
Data Sources
Source ID: HR 8799 b