HD 9446
Imaginary Picture of Star HD 9446
Star Name : HD 9446
Alternate Name :
Star Distance (LY/pc): 170.7623 (LY) 52.3560 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0000 (Rsun, estimated)
Stellar Mass (Msun): 1.0000 (Msun/observed) 1.0000 (Msun/estimated)
Spectral type : G5V
Metalicity : 0.0900
Absolute Magnitude : 4.76
Apparent Magnitude : 8.35
Right Ascension(RA) : 23.33333
Declination(DEC) : 29.26528
  • This is the HD 9446 . The star HD 9446 islocated about 170.8 light-years (52.4 pc) away from our Solar System.
  • The star HD 9446 has apparent magnitude of 8.3, with absolute magnitude of 4.8.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5793 with its spectral types of G5V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HD 9446 b radius 0.907830 mass 0.687000 orbital distance 0.189200
  • Name of the 2 Planet HD 9446 c radius 0.907830 mass 1.700000 orbital distance 0.646000
    (Illustration of the HD 9446's Planetary System)



    The Star HD 9446 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.727 AU ( 108758990.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.005 AU ( 150333347.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.531 AU ( 229074753.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.253 AU ( 337093534.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 9446)



    Kopparapu's Recent Venus for Star HD 9446 distance : 0.753 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 9446 distance : 0.953 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 9446 distance : 0.921 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 9446 distance : 1.009 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 9446 distance : 1.683 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 9446 distance : 1.775 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 9446)



  • Original Kopparapu Recent Venus for Star HD 9446 distance : 0.754 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 9446 distance : 0.980 AU
  • Original Kopparapu Moist Greenhouse for Star HD 9446 distance : 0.998 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 9446 distance : 1.712 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 9446 distance : 1.781 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 9446)



    (Position in Stellar Map of star HD 9446 )



    (Zoomed position in Stellar Map of star HD 9446 (zoom level 3))