Catalog of Exoplanets

 399 Exoplanets

BD-20 2457 b

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Planet Name BD-20 2457 b 
Explanation of Animations
Orbital Period (days) 379.63 
Semi-major Axis (AU) 1.45 
Eccentricity 0.15 
Argument of Periapse (degrees)
  
Inclination (degrees)
  
Discovery Method/Date Code RV09 
Planet Mass (in Jupiter masses) 21.42 
Planet Radius (in Jupiter radii)
  
Planet Density (in grams/cc)
  
Number of Planets in System
 2 
Star Name
 BD-20 2457 
Alternative Star Name
  
Star Mass (in solar masses)
 2.8 
Star Radius (in solar radii)
  
Stellar Spectral Type
 K2II 
Star Brightness (Visual Magnitudes)
 9.75 
Right Ascension
 10 16 45 
Declination
 +19 53 29 
Distance to the System (light-years)
 652.0 
Metal Enhancement
 0.10