Kepler-117

Display orbital revolution around the star Kepler-117
Imaginary Picture of Star Kepler-117
Star Name : Kepler-117
Alternate Name : "2MASS J19151032+4802248, KIC 10723750, KOI-209, WISE J191510.33+480224.6"
Star Distance (LY/pc): 4664.0308 (LY) 1430.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.6100 (Rsun, estimated)
Stellar Mass (Msun): 1.1300 (Msun/observed) 1.1300 (Msun/estimated)
Spectral type : F8 V
Metalicity : -0.0400
Absolute Magnitude : 2.55
Apparent Magnitude : 13.32
Right Ascension(RA) : 288.79304
Declination(DEC) : 48.04023
  • This is the Kepler-117 . The star Kepler-117 islocated about 4664.0 light-years (1430.0 pc) away from our Solar System.
  • The star Kepler-117 has apparent magnitude of 13.3, with absolute magnitude of 2.5.
  • It is 1.1 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 6150 with its spectral types of F8 V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet Kepler-117 b radius 0.719000 mass 0.094000 orbital distance 0.144500
  • Name of the 2 Planet Kepler-117 c radius 1.101000 mass 1.840000 orbital distance 0.280400
    (Illustration of the Kepler-117's Planetary System)



    The Star Kepler-117 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.319 AU ( 197348677.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.823 AU ( 272787445.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.779 AU ( 415667699.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.089 AU ( 611673228.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-117)



    Kopparapu's Recent Venus for Star Kepler-117 distance : 1.337 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-117 distance : 1.693 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-117 distance : 1.635 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-117 distance : 1.792 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-117 distance : 2.963 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-117 distance : 3.125 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-117)



  • Original Kopparapu Recent Venus for Star Kepler-117 distance : 1.349 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-117 distance : 1.737 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-117 distance : 1.785 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-117 distance : 3.016 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-117 distance : 3.137 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-117)



    (Position in Stellar Map of star Kepler-117 )



    (Zoomed position in Stellar Map of star Kepler-117 (zoom level 3))

    (Synthetic Spectrum of star HIP 74890*)
    *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