Kepler-8

Display orbital revolution around the star Kepler-8
Imaginary Picture of Star Kepler-8
Star Name : Kepler-8
Alternate Name : "2MASS J18450914+4227038, KIC 6922244, KOI-10, WISE J184509.14+422703.9"
Star Distance (LY/pc): 3434.0965 (LY) 1052.9000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.4900 (Rsun, estimated)
Stellar Mass (Msun): 1.2100 (Msun/observed) 1.2100 (Msun/estimated)
Spectral type : F8
Metalicity : -0.0550
Absolute Magnitude : 3.79
Apparent Magnitude : 13.90
Right Ascension(RA) : 281.28812
Declination(DEC) : 42.45108
  • This is the Kepler-8 . The star Kepler-8 islocated about 3434.1 light-years (1052.9 pc) away from our Solar System.
  • The star Kepler-8 has apparent magnitude of 13.9, with absolute magnitude of 3.8.
  • It is 1.2 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6213 with its spectral types of F8
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-8 b radius 1.416000 mass 0.590000 orbital distance 0.047400
    (Illustration of the Kepler-8's Planetary System)



    The Star Kepler-8 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.246 AU ( 186400506.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.722 AU ( 257654212.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.624 AU ( 392608000.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.862 AU ( 577739872.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-8)



    Kopparapu's Recent Venus for Star Kepler-8 distance : 1.258 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-8 distance : 1.593 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-8 distance : 1.538 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-8 distance : 1.686 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-8 distance : 2.785 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-8 distance : 2.937 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-8)



  • Original Kopparapu Recent Venus for Star Kepler-8 distance : 1.271 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-8 distance : 1.634 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-8 distance : 1.682 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-8 distance : 2.835 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-8 distance : 2.948 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-8)



    (Position in Stellar Map of star Kepler-8 )



    (Zoomed position in Stellar Map of star Kepler-8 (zoom level 3))

    (Synthetic Spectrum of star HD 219134*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102