Kepler-222

Display orbital revolution around the star Kepler-222
Imaginary Picture of Star Kepler-222
Star Name : Kepler-222
Alternate Name : "2MASS J19113746+4656159, KIC 10002866, KOI-723, WISE J191137.46+465615.8"
Star Distance (LY/pc): 2529.6986 (LY) 775.6100 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8700 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 0.9754 (Msun/estimated)
Spectral type : G7
Metalicity : 0.1500
Absolute Magnitude : 4.27
Apparent Magnitude : 13.72
Right Ascension(RA) : 287.90610
Declination(DEC) : 46.93777
  • This is the Kepler-222 . The star Kepler-222 islocated about 2529.7 light-years (775.6 pc) away from our Solar System.
  • The star Kepler-222 has apparent magnitude of 13.7, with absolute magnitude of 4.3.
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet Kepler-222 b radius 0.282000 mass 0.024199 orbital distance 0.048000
  • Name of the 2 Planet Kepler-222 c radius 0.414000 mass 0.072924 orbital distance 0.091000
  • Name of the 3 Planet Kepler-222 d radius 0.329000 mass 0.027929 orbital distance 0.180000
    (Illustration of the Kepler-222's Planetary System)



    The Star Kepler-222 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.556 AU ( 83225569.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.769 AU ( 115039486.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.172 AU ( 175294719.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.724 AU ( 257953858.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-222)



    Kopparapu's Recent Venus for Star Kepler-222 distance : 0.588 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-222 distance : 0.745 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-222 distance : 0.720 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-222 distance : 0.789 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-222 distance : 1.329 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-222 distance : 1.402 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-222)



  • Original Kopparapu Recent Venus for Star Kepler-222 distance : 0.585 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-222 distance : 0.767 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-222 distance : 0.775 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-222 distance : 1.352 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-222 distance : 1.406 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-222)



    (Position in Stellar Map of star Kepler-222 )



    (Zoomed position in Stellar Map of star Kepler-222 (zoom level 3))

    (Synthetic Spectrum of star KIC 9413313*)
    *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