Imaginary Picture of CoRoT-31 b
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Exoplanet Name : CoRoT-31 b
Alternate Name :
Radius (Rjup / Re): 1.4600 (Rjup) 16.3651 (Rearth)
Mass (Mjup / Me): 0.8400 (Mjup) 267.0679 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0586 (AU) 0.0586 (AU Est.)
Eccentricity : 0.0200
Orbital Period(Yrs) 0.0127
Orbital Period(Observed/Estimated) 4.63 (Days Obs.) 4.63 (Days Est.)
Star Radiation at Atmospheric Boundary: 1372725.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1527.7 (K)
Blackbody T 0.3(K) 1434.7 (K)
Blackbody T 0.7(K) 1160.8 (K)
Tidally Locked Blackbody T 0.1(K) 1816.8 (K)
Tidally Locked Blackbody T 0.3(K) 1706.1 (K)
Size Class: Super-Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : CoRoT-31
Alternate Name :
Star Distance(LY) : 7142.8
Stellar Radius(Rsun) : 2.1 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 4.7 (GY)
Temperature : 5370 (K)
Spectral type : G2IV
Metalicity : 0.0
Absolute Magnitude: 4.0
Apparent Magnitude: 15.7
Right Ascension(RA) 94.8208
Declination (DEC) -4.4222
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/CoRoT-31%20b/
CoRoT-31 b
CoRoT-31 b

  • CoRoT-31 b is an exoplanet orbiting the star CoRoT-31, located about 7142.8 light-years (2190.0 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star CoRoT-31 has apparent magnitude of 15.7, with absolute magnitude of 4.0.
  • It is 1.2 times more massive and 2.1 times bigger compared with our Sun. The surface temperature is 5370 with its spectral types of G2IV
  • In this planetary system, the extrasolar planet CoRoT-31 b orbits around the star CoRoT-31 every 4.6 days with its orbital distance of 0.06 AU ( 8766435.2 km)
  • (Projected orbit of CoRoT-31 b around its host star CoRoT-31)


  • The Star CoRoT-31 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.343 AU ( 200930166.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.857 AU ( 277737999.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.829 AU ( 423211247.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.163 AU ( 622773890.4 km)
  • Radiation at Planetary Boundary of CoRoT-31 b : 1372725.31 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star CoRoT-31)



  • Kopparapu Recent Venus for Star CoRoT-31 distance : 1.425 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star CoRoT-31 distance : 1.805 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star CoRoT-31 distance : 1.743 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star CoRoT-31 distance : 1.912 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star CoRoT-31 distance : 3.227 AU
  • Kopparapu Outer Boundary for Early Mars for Star CoRoT-31 distance : 3.404 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star CoRoT-31)



  • Original Kopparapu Recent Venus for Star CoRoT-31 distance : 1.417 AU
  • Original Kopparapu Runaway Greenhouse for Star CoRoT-31 distance : 1.857 AU
  • Original Kopparapu Moist Greenhouse for Star CoRoT-31 distance : 1.875 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star CoRoT-31 distance : 3.282 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star CoRoT-31 distance : 3.413 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star CoRoT-31)



    (Position in Stellar Map of star CoRoT-31 and its Exoplanet CoRoT-31 b)



    (Zoomed position in Stellar Map of star CoRoT-31 and its Exoplanet CoRoT-31 b (zoom level 3))