Kepler-446
Imaginary Picture of Star Kepler-446
Star Name : Kepler-446
Alternate Name :
Star Distance (LY/pc): 391.3872 (LY) 120.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.2400 (Rsun, estimated)
Stellar Mass (Msun): 0.2200 (Msun/observed) 0.2200 (Msun/estimated)
Spectral type : M5
Metalicity : -0.3000
Absolute Magnitude : 11.10
Apparent Magnitude : 16.50
Right Ascension(RA) : 282.25000
Declination(DEC) : 44.92111
  • This is the Kepler-446 . The star Kepler-446 islocated about 391.4 light-years (120.0 pc) away from our Solar System.
  • The star Kepler-446 has apparent magnitude of 16.5, with absolute magnitude of 11.1.
  • It is 0.2 times more massive and 0.2 times bigger compared with our Sun. The surface temperature is 3359 with its spectral types of M5
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet Kepler-446 b radius 0.134000 mass 0.014000 orbital distance 0.000000
  • Name of the 2 Planet Kepler-446 c radius 0.098000 mass 0.009000 orbital distance 0.000000
  • Name of the 3 Planet Kepler-446 d radius 0.120000 mass 0.010000 orbital distance 0.000000
    (Illustration of the Kepler-446's Planetary System)



    The Star Kepler-446 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.059 AU ( 8775853.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.081 AU ( 12130522.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.124 AU ( 18484232.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.182 AU ( 27200357.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-446)



    Kopparapu's Recent Venus for Star Kepler-446 distance : 0.066 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-446 distance : 0.084 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-446 distance : 0.081 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-446 distance : 0.089 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-446 distance : 0.165 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-446 distance : 0.174 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-446)



  • Original Kopparapu Recent Venus for Star Kepler-446 distance : 0.066 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-446 distance : 0.087 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-446 distance : 0.087 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-446 distance : 0.167 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-446 distance : 0.174 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-446)



    (Position in Stellar Map of star Kepler-446 )



    (Zoomed position in Stellar Map of star Kepler-446 (zoom level 3))