Kepler-31
Imaginary Picture of Star Kepler-31
Star Name : Kepler-31
Alternate Name :
Star Distance (LY/pc): 0.0000 (LY) 0.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.2200 (Rsun, estimated)
Stellar Mass (Msun): 1.2100 (Msun/observed) 1.2100 (Msun/estimated)
Spectral type : F8
Metalicity : -0.0800
Absolute Magnitude : 25.00
Apparent Magnitude : 15.50
Right Ascension(RA) : 294.02500
Declination(DEC) : 45.85306
  • The star Kepler-31 has apparent magnitude of 15.5, with absolute magnitude of 25.0.
  • It is 1.2 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6340 with its spectral types of F8
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet Kepler-31 b radius 0.380000 mass 0.053787 orbital distance 0.160000
  • Name of the 2 Planet Kepler-31 c radius 0.380000 mass 4.700000 orbital distance 0.260000
  • Name of the 3 Planet Kepler-31 d radius 0.407000 mass 0.066086 orbital distance 0.390000
    (Illustration of the Kepler-31's Planetary System)



    The Star Kepler-31 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.062 AU ( 158926551.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.468 AU ( 219678026.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.238 AU ( 334740697.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.293 AU ( 492585600.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-31)



    Kopparapu's Recent Venus for Star Kepler-31 distance : 1.064 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-31 distance : 1.348 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-31 distance : 1.302 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-31 distance : 1.426 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-31 distance : 2.351 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-31 distance : 2.479 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-31)



  • Original Kopparapu Recent Venus for Star Kepler-31 distance : 1.078 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-31 distance : 1.382 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-31 distance : 1.427 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-31 distance : 2.393 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-31 distance : 2.489 AU

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



    (Position in Stellar Map of star Kepler-31 )



    (Zoomed position in Stellar Map of star Kepler-31 (zoom level 3))