HD 11231

Display orbital revolution around the star HD 11231
Imaginary Picture of Star HD 11231
Star Name : HD 11231
Alternate Name :
Star Distance (LY/pc): 451.6896 (LY) 138.4888 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.7800 (Rsun, estimated)
Stellar Mass (Msun): 1.4400 (Msun/observed) 1.4400 (Msun/estimated)
Spectral type : F5V
Metalicity : 0.0000
Absolute Magnitude : 2.89
Apparent Magnitude : 8.60
Right Ascension(RA) : 27.40787
Declination(DEC) : -34.45917
  • This is the HD 11231 . The star HD 11231 islocated about 451.7 light-years (138.5 pc) away from our Solar System.
  • The star HD 11231 has apparent magnitude of 8.6, with absolute magnitude of 2.9.
  • It is 1.4 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 6500 with its spectral types of F5V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 11231 b radius 1.085502 mass 0.434000 orbital distance 0.066400
    (Illustration of the HD 11231's Planetary System)



    The Star HD 11231 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.629 AU ( 243727665.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.252 AU ( 336895326.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.432 AU ( 513353923.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.050 AU ( 755422786.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 11231)



    Kopparapu's Recent Venus for Star HD 11231 distance : 1.617 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 11231 distance : 2.048 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 11231 distance : 1.977 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 11231 distance : 2.165 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 11231 distance : 3.562 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 11231 distance : 3.757 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 11231)



  • Original Kopparapu Recent Venus for Star HD 11231 distance : 1.644 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 11231 distance : 2.099 AU
  • Original Kopparapu Moist Greenhouse for Star HD 11231 distance : 2.176 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 11231 distance : 3.627 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 11231 distance : 3.771 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 11231)



    (Position in Stellar Map of star HD 11231 )



    (Zoomed position in Stellar Map of star HD 11231 (zoom level 3))

    (Synthetic Spectrum of star HAT-P-66*)
    *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