Kepler-231
Imaginary Picture of Star Kepler-231
Star Name : Kepler-231
Alternate Name :
Star Distance (LY/pc): 0.0000 (LY) 0.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.4900 (Rsun, estimated)
Stellar Mass (Msun): 0.5800 (Msun/observed) 0.5800 (Msun/estimated)
Spectral type : M1
Metalicity : -0.0110
Absolute Magnitude : 25.00
Apparent Magnitude : 13.40
Right Ascension(RA) : 293.97336
Declination(DEC) : 50.53191
  • The star Kepler-231 has apparent magnitude of 13.4, with absolute magnitude of 25.0.
  • It is 0.6 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3767 with its spectral types of M1
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet Kepler-231 b radius 0.154000 mass 0.013787 orbital distance 0.074000
  • Name of the 2 Planet Kepler-231 c radius 0.172000 mass 0.015280 orbital distance 0.114000
    (Illustration of the Kepler-231's Planetary System)



    The Star Kepler-231 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.151 AU ( 22534370.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.208 AU ( 31148389.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.317 AU ( 47463251.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.467 AU ( 69844254.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-231)



    Kopparapu's Recent Venus for Star Kepler-231 distance : 0.170 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-231 distance : 0.215 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-231 distance : 0.207 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-231 distance : 0.227 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-231 distance : 0.412 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-231 distance : 0.435 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-231)



  • Original Kopparapu Recent Venus for Star Kepler-231 distance : 0.168 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-231 distance : 0.222 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-231 distance : 0.222 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-231 distance : 0.419 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-231 distance : 0.435 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-231)



    (Position in Stellar Map of star Kepler-231 )



    (Zoomed position in Stellar Map of star Kepler-231 (zoom level 3))