Kepler-1817

Display orbital revolution around the star Kepler-1817
Imaginary Picture of Star Kepler-1817
Star Name : Kepler-1817
Alternate Name : "8410415, KOI-2291"
Star Distance (LY/pc): 2441.5027 (LY) 748.5690 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7600 (Rsun, estimated)
Stellar Mass (Msun): 0.9200 (Msun/observed) 0.9200 (Msun/estimated)
Spectral type : G8V
Metalicity : 0.1600
Absolute Magnitude : 5.97
Apparent Magnitude : 15.35
Right Ascension(RA) : 282.03329
Declination(DEC) : 44.47801
  • This is the Kepler-1817 . The star Kepler-1817 islocated about 2441.5 light-years (748.6 pc) away from our Solar System.
  • The star Kepler-1817 has apparent magnitude of 15.3, with absolute magnitude of 6.0.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5318 with its spectral types of G8V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-1817 b radius 0.202790 mass 0.017808 orbital distance 0.234800
    (Illustration of the Kepler-1817's Planetary System)



    The Star Kepler-1817 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.466 AU ( 69657578.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.644 AU ( 96284976.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.981 AU ( 146716996.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.443 AU ( 215900487.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1817)



    Kopparapu's Recent Venus for Star Kepler-1817 distance : 0.496 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-1817 distance : 0.627 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1817 distance : 0.606 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-1817 distance : 0.665 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-1817 distance : 1.124 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-1817 distance : 1.185 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1817)



  • Original Kopparapu Recent Venus for Star Kepler-1817 distance : 0.492 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1817 distance : 0.646 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1817 distance : 0.651 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1817 distance : 1.143 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1817 distance : 1.189 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1817)



    (Position in Stellar Map of star Kepler-1817 )



    (Zoomed position in Stellar Map of star Kepler-1817 (zoom level 3))

    (Synthetic Spectrum of star Kepler-746*)
    *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