Catalog of Exoplanets

 399 Exoplanets

HR 8799 b

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Planet Name HR 8799 b 
Explanation of Animations
Orbital Period (days) 170000 
Semi-major Axis (AU) 68 
Eccentricity 0 
Argument of Periapse (degrees)
  
Inclination (degrees)
  
Discovery Method/Date Code DI08 
Planet Mass (in Jupiter masses) 7 
Planet Radius (in Jupiter radii)
 1.10 
Planet Density (in grams/cc)
 6.99 
Number of Planets in System
 3 
Star Name
 HR 8799 
Alternative Star Name
  
Star Mass (in solar masses)
 1.5 
Star Radius (in solar radii)
  
Stellar Spectral Type
 A5V 
Star Brightness (Visual Magnitudes)
 5.96 
Right Ascension
 23 07 29 
Declination
 +21 08 03 
Distance to the System (light-years)
 128.4 
Metal Enhancement
 0.34