Kepler-820

Display orbital revolution around the star Kepler-820
Imaginary Picture of Star Kepler-820
Star Name : Kepler-820
Alternate Name : "2MASS J19240483+3913144, KIC 4155328, KOI-1335"
Star Distance (LY/pc): 3225.6828 (LY) 989.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.3600 (Rsun, estimated)
Stellar Mass (Msun): 1.2300 (Msun/observed) 1.2300 (Msun/estimated)
Spectral type : F8
Metalicity : 0.0900
Absolute Magnitude : 2.87
Apparent Magnitude : 12.84
Right Ascension(RA) : 291.02015
Declination(DEC) : 39.22068
  • This is the Kepler-820 . The star Kepler-820 islocated about 3225.7 light-years (989.0 pc) away from our Solar System.
  • The star Kepler-820 has apparent magnitude of 12.8, with absolute magnitude of 2.9.
  • It is 1.2 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6260 with its spectral types of F8
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-820 b radius 0.543000 mass 0.156483 orbital distance 0.000000
    (Illustration of the Kepler-820's Planetary System)



    The Star Kepler-820 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.155 AU ( 172721216.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.596 AU ( 238745858.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.432 AU ( 363795853.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.579 AU ( 535341535.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-820)



    Kopparapu's Recent Venus for Star Kepler-820 distance : 1.162 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-820 distance : 1.472 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-820 distance : 1.421 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-820 distance : 1.557 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-820 distance : 2.571 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-820 distance : 2.711 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-820)



  • Original Kopparapu Recent Venus for Star Kepler-820 distance : 1.176 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-820 distance : 1.510 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-820 distance : 1.556 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-820 distance : 2.617 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-820 distance : 2.721 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-820)



    (Position in Stellar Map of star Kepler-820 )



    (Zoomed position in Stellar Map of star Kepler-820 (zoom level 3))

    (Synthetic Spectrum of star Kepler-198*)
    *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