Imaginary Picture of HD 69830 b
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Exoplanet Name : HD 69830 b
Alternate Name :
Radius (Rjup / Re): 0.2785 (Rjup) 3.1213 (Rearth)
Mass (Mjup / Me): 0.1430 (Mjup) 45.4651 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0785 (AU) 0.0785 (AU Est.)
Eccentricity : 0.1000
Orbital Period(Yrs) 0.0237
Orbital Period(Observed/Estimated) 8.67 (Days Obs.) 8.66 (Days Est.)
Star Radiation at Atmospheric Boundary: 134046.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 854.0 (K)
Blackbody T 0.3(K) 802.0 (K)
Blackbody T 0.7(K) 648.9 (K)
Tidally Locked Blackbody T 0.1(K) 1015.6 (K)
Tidally Locked Blackbody T 0.3(K) 953.7 (K)
Size Class: Neptune-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 69830
Alternate Name :
Star Distance(LY) : 41.1
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 7.0 (GY)
Temperature : 5385 (K)
Spectral type : K0V
Metalicity : -0.1
Absolute Magnitude: 5.4
Apparent Magnitude: 6.0
Right Ascension(RA) 124.5998
Declination (DEC) -12.6319
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+69830+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2069830%20b/
HD 69830 b
HD 69830 b

  • HD 69830 b is an exoplanet orbiting the star HD 69830, located about 41.1 light-years (12.6 pc) away from Solar System. Its discovery was publicly announced on 2006.
  • The host star HD 69830 has apparent magnitude of 6.0, with absolute magnitude of 5.4.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5385 with its spectral types of K0V
  • In this planetary system, the extrasolar planet HD 69830 b orbits around the star HD 69830 every 8.7 days with its orbital distance of 0.08 AU ( 11743432.8 km)
  • (Projected orbit of HD 69830 b around its host star HD 69830)


  • The Star HD 69830 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.562 AU ( 84110954.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.777 AU ( 116263320.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.184 AU ( 177159571.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.743 AU ( 260698069.9 km)
  • Radiation at Planetary Boundary of HD 69830 b : 134046.17 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 69830)



  • Kopparapu Recent Venus for Star HD 69830 distance : 0.596 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 69830 distance : 0.755 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 69830 distance : 0.729 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 69830 distance : 0.800 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 69830 distance : 1.349 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 69830 distance : 1.423 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 69830)



  • Original Kopparapu Recent Venus for Star HD 69830 distance : 0.593 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 69830 distance : 0.777 AU
  • Original Kopparapu Moist Greenhouse for Star HD 69830 distance : 0.784 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 69830 distance : 1.372 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 69830 distance : 1.427 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 69830)



    (Position in Stellar Map of star HD 69830 and its Exoplanet HD 69830 b)



    (Zoomed position in Stellar Map of star HD 69830 and its Exoplanet HD 69830 b (zoom level 3))