Imaginary Picture of HD 38283 b
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Exoplanet Name : HD 38283 b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.3400 (Mjup) 108.0989 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.0200 (AU) 1.0200 (AU Est.)
Eccentricity : 0.4100
Orbital Period(Yrs) 0.9944
Orbital Period(Observed/Estimated) 363.20 (Days Obs.) 361.22 (Days Est.)
Star Radiation at Atmospheric Boundary: 1646.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 284.3 (K)
Blackbody T 0.3(K) 267.0 (K)
Blackbody T 0.7(K) 216.0 (K)
Tidally Locked Blackbody T 0.1(K) 338.1 (K)
Tidally Locked Blackbody T 0.3(K) 317.5 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 38283
Alternate Name :
Star Distance(LY) : 123.6
Stellar Radius(Rsun) : 1.1 (Rsun Estimated)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 5.4 (GY)
Temperature : 5945 (K)
Spectral type : F9.5V
Metalicity : -0.2
Absolute Magnitude: 3.8
Apparent Magnitude: 6.7
Right Ascension(RA) 84.2584
Declination (DEC) -73.6994
Hubble Space Telescope Guide Star Catalog (GSC) ID 09175-00083
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+38283+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2038283%20b/
HD 38283 b
HD 38283 b

  • HD 38283 b is an exoplanet orbiting the star HD 38283, located about 123.6 light-years (37.9 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star HD 38283 has apparent magnitude of 6.7, with absolute magnitude of 3.8.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5945 with its spectral types of F9.5V
  • In this planetary system, the extrasolar planet HD 38283 b orbits around the star HD 38283 every 363.2 days with its orbital distance of 1.02 AU ( 152589828.1 km)
  • (Projected orbit of HD 38283 b around its host star HD 38283)


  • The Star HD 38283 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.810 AU ( 121118275.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.119 AU ( 167417108.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.705 AU ( 255106624.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.509 AU ( 375400573.7 km)
  • Radiation at Planetary Boundary of HD 38283 b : 1646.29 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 38283)



  • Kopparapu Recent Venus for Star HD 38283 distance : 0.831 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 38283 distance : 1.052 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 38283 distance : 1.016 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 38283 distance : 1.114 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 38283 distance : 1.850 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 38283 distance : 1.951 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 38283)



  • Original Kopparapu Recent Venus for Star HD 38283 distance : 0.835 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 38283 distance : 1.080 AU
  • Original Kopparapu Moist Greenhouse for Star HD 38283 distance : 1.104 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 38283 distance : 1.883 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 38283 distance : 1.958 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 38283)



    (Position in Stellar Map of star HD 38283 and its Exoplanet HD 38283 b)



    (Zoomed position in Stellar Map of star HD 38283 and its Exoplanet HD 38283 b (zoom level 3))