Kepler-400

Display orbital revolution around the star Kepler-400
Imaginary Picture of Star Kepler-400
Star Name : Kepler-400
Alternate Name : "2MASS J19234667+4028481, KIC 5272233, KOI-2711, WISE J192346.67+402848.0"
Star Distance (LY/pc): 2312.4460 (LY) 709.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1500 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 1.0731 (Msun/estimated)
Spectral type : G1
Metalicity : 0.0090
Absolute Magnitude : 3.31
Apparent Magnitude : 12.57
Right Ascension(RA) : 290.94448
Declination(DEC) : 40.48004
  • This is the Kepler-400 . The star Kepler-400 islocated about 2312.4 light-years (709.0 pc) away from our Solar System.
  • The star Kepler-400 has apparent magnitude of 12.6, with absolute magnitude of 3.3.
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet Kepler-400 b radius 0.147000 mass 0.013203 orbital distance 0.087000
  • Name of the 2 Planet Kepler-400 c radius 0.133000 mass 0.013087 orbital distance 0.134000
    (Illustration of the Kepler-400's Planetary System)



    The Star Kepler-400 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.863 AU ( 129120877.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.193 AU ( 178478795.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.818 AU ( 271962187.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.675 AU ( 400204272.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-400)



    Kopparapu's Recent Venus for Star Kepler-400 distance : 0.889 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-400 distance : 1.126 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-400 distance : 1.087 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-400 distance : 1.192 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-400 distance : 1.982 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-400 distance : 2.090 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-400)



  • Original Kopparapu Recent Venus for Star Kepler-400 distance : 0.892 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-400 distance : 1.156 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-400 distance : 1.180 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-400 distance : 2.017 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-400 distance : 2.098 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-400)



    (Position in Stellar Map of star Kepler-400 )



    (Zoomed position in Stellar Map of star Kepler-400 (zoom level 3))

    (Synthetic Spectrum of star Kepler-11*)
    *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