Imaginary Picture of GJ 832 b
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Exoplanet Name : GJ 832 b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.6890 (Mjup) 219.0593 (Mearth)
Semi Major Axis / Orbital Distance Calculated 3.6000 (AU) 3.6000 (AU Est.)
Eccentricity : 0.0800
Orbital Period(Yrs) 10.0203
Orbital Period(Observed/Estimated) 3660.00 (Days Obs.) 3719.10 (Days Est.)
Star Radiation at Atmospheric Boundary: 2.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 53.8 (K)
Blackbody T 0.3(K) 50.5 (K)
Blackbody T 0.7(K) 40.9 (K)
Tidally Locked Blackbody T 0.1(K) 63.9 (K)
Tidally Locked Blackbody T 0.3(K) 60.0 (K)
Size Class: Jupiter-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 : GJ 832
Alternate Name :
Star Distance(LY) : 67.4
Stellar Radius(Rsun) : 0.4 (Rsun Estimated)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.5 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3300 (K)
Spectral type : M9
Metalicity : -0.3
Absolute Magnitude: 7.1
Apparent Magnitude: 8.7
Right Ascension(RA) 323.3916
Declination (DEC) -49.0089
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title 0
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=GJ+832+&submit=SIMBAD+search
Open Exoplanet Database Link 0
GJ 832 b
GJ 832 b

  • GJ 832 b is an exoplanet orbiting the star GJ 832, located about 67.4 light-years (20.7 pc) away from Solar System. Its discovery was publicly announced on 2008.
  • The host star GJ 832 has apparent magnitude of 8.7, with absolute magnitude of 7.1.
  • It is 0.5 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
  • In this planetary system, the extrasolar planet GJ 832 b orbits around the star GJ 832 every 3660.0 days with its orbital distance of 3.60 AU ( 538552334.5 km)
  • (Projected orbit of GJ 832 b around its host star GJ 832)


  • The Star GJ 832 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.102 AU ( 15287405.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.141 AU ( 21131190.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.215 AU ( 32199257.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.317 AU ( 47382617.7 km)
  • Radiation at Planetary Boundary of GJ 832 b : 2.11 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 832)



  • Kopparapu Recent Venus for Star GJ 832 distance : 0.116 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star GJ 832 distance : 0.146 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star GJ 832 distance : 0.141 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star GJ 832 distance : 0.156 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 832 distance : 0.288 AU
  • Kopparapu Outer Boundary for Early Mars for Star GJ 832 distance : 0.304 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 832)



  • Original Kopparapu Recent Venus for Star GJ 832 distance : 0.115 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 832 distance : 0.152 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 832 distance : 0.152 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 832 distance : 0.292 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 832 distance : 0.304 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 832)



    (Position in Stellar Map of star GJ 832 and its Exoplanet GJ 832 b)



    (Zoomed position in Stellar Map of star GJ 832 and its Exoplanet GJ 832 b (zoom level 3))