Kepler-204

Display orbital revolution around the star Kepler-204
Imaginary Picture of Star Kepler-204
Star Name : Kepler-204
Alternate Name : "2MASS J19012332+4145429, KIC 6347299, KOI-661, WISE J190123.31+414542.7"
Star Distance (LY/pc): 2285.0163 (LY) 700.5900 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.2400 (Rsun, estimated)
Stellar Mass (Msun): 0.9600 (Msun/observed) 0.9600 (Msun/estimated)
Spectral type : G2
Metalicity : -0.2130
Absolute Magnitude : 3.62
Apparent Magnitude : 12.85
Right Ascension(RA) : 285.34719
Declination(DEC) : 41.76192
  • This is the Kepler-204 . The star Kepler-204 islocated about 2285.0 light-years (700.6 pc) away from our Solar System.
  • The star Kepler-204 has apparent magnitude of 12.8, with absolute magnitude of 3.6.
  • It is 1.0 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5812 with its spectral types of G2
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet Kepler-204 b radius 0.226000 mass 0.019696 orbital distance 0.117000
  • Name of the 2 Planet Kepler-204 c radius 0.160000 mass 0.014286 orbital distance 0.173000
    (Illustration of the Kepler-204's Planetary System)



    The Star Kepler-204 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.907 AU ( 135747240.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.254 AU ( 187638160.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.911 AU ( 285919033.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.812 AU ( 420742382.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-204)



    Kopparapu's Recent Venus for Star Kepler-204 distance : 0.939 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-204 distance : 1.189 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-204 distance : 1.148 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-204 distance : 1.258 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-204 distance : 2.097 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-204 distance : 2.212 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-204)



  • Original Kopparapu Recent Venus for Star Kepler-204 distance : 0.940 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-204 distance : 1.221 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-204 distance : 1.244 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-204 distance : 2.134 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-204 distance : 2.219 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-204)



    (Position in Stellar Map of star Kepler-204 )



    (Zoomed position in Stellar Map of star Kepler-204 (zoom level 3))

    (Synthetic Spectrum of star KELT-17*)
    *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