Kepler-9
Imaginary Picture of Star Kepler-9
Star Name : Kepler-9
Alternate Name :
Star Distance (LY/pc): 0.0000 (LY) 0.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1000 (Rsun, estimated)
Stellar Mass (Msun): 1.0000 (Msun/observed) 1.0000 (Msun/estimated)
Spectral type : G4
Metalicity : 0.1700
Absolute Magnitude : 25.00
Apparent Magnitude : 13.90
Right Ascension(RA) : 285.57500
Declination(DEC) : 38.40083
  • The star Kepler-9 has apparent magnitude of 13.9, with absolute magnitude of 25.0.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5722 with its spectral types of G4
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet Kepler-9 b radius 0.732000 mass 0.136900 orbital distance 0.143000
  • Name of the 2 Planet Kepler-9 c radius 0.740000 mass 0.094100 orbital distance 0.229000
  • Name of the 3 Planet Kepler-9 d radius 0.178428 mass 0.016518 orbital distance 0.027300
    (Illustration of the Kepler-9's Planetary System)



    The Star Kepler-9 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.780 AU ( 116720329.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.078 AU ( 161337997.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.643 AU ( 245843404.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.418 AU ( 361769339.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-9)



    Kopparapu's Recent Venus for Star Kepler-9 distance : 0.811 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-9 distance : 1.027 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-9 distance : 0.992 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-9 distance : 1.088 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-9 distance : 1.817 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-9 distance : 1.917 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-9)



  • Original Kopparapu Recent Venus for Star Kepler-9 distance : 0.812 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-9 distance : 1.056 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-9 distance : 1.074 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-9 distance : 1.849 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-9 distance : 1.923 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-9)



    (Position in Stellar Map of star Kepler-9 )



    (Zoomed position in Stellar Map of star Kepler-9 (zoom level 3))