K2-331

Display orbital revolution around the star K2-331
Imaginary Picture of Star K2-331
Star Name : K2-331
Alternate Name : EPIC 211502222
Star Distance (LY/pc): 689.5916 (LY) 211.4300 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0600 (Rsun, estimated)
Stellar Mass (Msun): 1.1000 (Msun/observed) 1.1000 (Msun/estimated)
Spectral type : F9/G0V
Metalicity : 0.0800
Absolute Magnitude : 4.67
Apparent Magnitude : 11.30
Right Ascension(RA) : 132.73767
Declination(DEC) : 13.17035
  • This is the K2-331 . The star K2-331 islocated about 689.6 light-years (211.4 pc) away from our Solar System.
  • The star K2-331 has apparent magnitude of 11.3, with absolute magnitude of 4.7.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5994 with its spectral types of F9/G0V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet K2-331 b radius 0.159700 mass 0.014261 orbital distance 0.090000
  • Name of the 2 Planet K2-331 c radius 0.242700 mass 0.021047 orbital distance 0.163447
    (Illustration of the K2-331's Planetary System)



    The Star K2-331 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.825 AU ( 123423385.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.140 AU ( 170603373.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.738 AU ( 259961786.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.557 AU ( 382545156.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-331)



    Kopparapu's Recent Venus for Star K2-331 distance : 0.844 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-331 distance : 1.069 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-331 distance : 1.032 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-331 distance : 1.131 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-331 distance : 1.877 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-331 distance : 1.980 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-331)



  • Original Kopparapu Recent Venus for Star K2-331 distance : 0.849 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-331 distance : 1.097 AU
  • Original Kopparapu Moist Greenhouse for Star K2-331 distance : 1.123 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-331 distance : 1.911 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-331 distance : 1.987 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-331)



    (Position in Stellar Map of star K2-331 )



    (Zoomed position in Stellar Map of star K2-331 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1110*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102