Kepler-42
Imaginary Picture of Star Kepler-42
Star Name : Kepler-42
Alternate Name :
Star Distance (LY/pc): 126.2224 (LY) 38.7000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.1700 (Rsun, estimated)
Stellar Mass (Msun): 0.1300 (Msun/observed) 0.1300 (Msun/estimated)
Spectral type : M7
Metalicity : -0.4800
Absolute Magnitude : 13.18
Apparent Magnitude : 16.12
Right Ascension(RA) : 292.22083
Declination(DEC) : 44.61944
  • This is the Kepler-42 . The star Kepler-42 islocated about 126.2 light-years (38.7 pc) away from our Solar System.
  • The star Kepler-42 has apparent magnitude of 16.1, with absolute magnitude of 13.2.
  • It is 0.1 times more massive and 0.2 times bigger compared with our Sun. The surface temperature is 3068 with its spectral types of M7
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet Kepler-42 b radius 0.070000 mass 0.009000 orbital distance 0.011600
  • Name of the 2 Planet Kepler-42 c radius 0.065000 mass 0.006000 orbital distance 0.006000
  • Name of the 3 Planet Kepler-42 d radius 0.051000 mass 0.003000 orbital distance 0.015400
    (Illustration of the Kepler-42's Planetary System)



    The Star Kepler-42 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.035 AU ( 5185823.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.048 AU ( 7168163.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.073 AU ( 10922694.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.107 AU ( 16073224.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-42)



    Kopparapu's Recent Venus for Star Kepler-42 distance : 0.039 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-42 distance : 0.050 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-42 distance : 0.048 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-42 distance : 0.052 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-42 distance : 0.099 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-42 distance : 0.104 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-42)



  • Original Kopparapu Recent Venus for Star Kepler-42 distance : 0.039 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-42 distance : 0.052 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-42 distance : 0.052 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-42 distance : 0.101 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-42 distance : 0.105 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-42)



    (Position in Stellar Map of star Kepler-42 )



    (Zoomed position in Stellar Map of star Kepler-42 (zoom level 3))