Kepler-1217

Display orbital revolution around the star Kepler-1217
Imaginary Picture of Star Kepler-1217
Star Name : Kepler-1217
Alternate Name : "2MASS J19164480+5056152, KIC 12254378, KOI-2387, WISE J191644.80+505615.2"
Star Distance (LY/pc): 4445.5063 (LY) 1363.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0800 (Rsun, estimated)
Stellar Mass (Msun): 1.0600 (Msun/observed) 1.0600 (Msun/estimated)
Spectral type : G1
Metalicity : 0.0700
Absolute Magnitude : 3.45
Apparent Magnitude : 14.12
Right Ascension(RA) : 289.18668
Declination(DEC) : 50.93756
  • This is the Kepler-1217 . The star Kepler-1217 islocated about 4445.5 light-years (1363.0 pc) away from our Solar System.
  • The star Kepler-1217 has apparent magnitude of 14.1, with absolute magnitude of 3.4.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5905 with its spectral types of G1
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-1217 b radius 0.178000 mass 0.015775 orbital distance 0.000000
    (Illustration of the Kepler-1217's Planetary System)



    The Star Kepler-1217 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.816 AU ( 122045472.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.128 AU ( 168698736.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.718 AU ( 257059541.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.529 AU ( 378274377.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1217)



    Kopparapu's Recent Venus for Star Kepler-1217 distance : 0.839 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-1217 distance : 1.063 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1217 distance : 1.026 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-1217 distance : 1.125 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-1217 distance : 1.870 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-1217 distance : 1.973 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1217)



  • Original Kopparapu Recent Venus for Star Kepler-1217 distance : 0.842 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1217 distance : 1.091 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1217 distance : 1.115 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1217 distance : 1.903 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1217 distance : 1.979 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1217)



    (Position in Stellar Map of star Kepler-1217 )



    (Zoomed position in Stellar Map of star Kepler-1217 (zoom level 3))

    (Synthetic Spectrum of star Kepler-372*)
    *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