Kepler-309
Imaginary Picture of Star Kepler-309
Star Name : Kepler-309
Alternate Name :
Star Distance (LY/pc): 0.0000 (LY) 0.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7200 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 0.7779 (Msun/estimated)
Spectral type : K3
Metalicity : 0.4150
Absolute Magnitude : 25.00
Apparent Magnitude : 13.50
Right Ascension(RA) : 297.50986
Declination(DEC) : 46.96128
  • The star Kepler-309 has apparent magnitude of 13.5, with absolute magnitude of 25.0.
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet Kepler-309 b radius 0.139000 mass 0.012533 orbital distance 0.059000
  • Name of the 2 Planet Kepler-309 c radius 0.224000 mass 0.019534 orbital distance 0.401000
    (Illustration of the Kepler-309's Planetary System)



    The Star Kepler-309 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.346 AU ( 51830510.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.479 AU ( 71643310.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.730 AU ( 109168551.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.074 AU ( 160646305.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-309)



    Kopparapu's Recent Venus for Star Kepler-309 distance : 0.380 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-309 distance : 0.481 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-309 distance : 0.464 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-309 distance : 0.509 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-309 distance : 0.882 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-309 distance : 0.930 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-309)



  • Original Kopparapu Recent Venus for Star Kepler-309 distance : 0.375 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-309 distance : 0.496 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-309 distance : 0.496 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-309 distance : 0.896 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-309 distance : 0.932 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-309)



    (Position in Stellar Map of star Kepler-309 )



    (Zoomed position in Stellar Map of star Kepler-309 (zoom level 3))