Kepler-122

Display orbital revolution around the star Kepler-122
Imaginary Picture of Star Kepler-122
Star Name : Kepler-122
Alternate Name : "2MASS J19242685+3956567, KIC 4833421, KOI-232, WISE J192426.85+395656.6"
Star Distance (LY/pc): 3452.4823 (LY) 1058.5371 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.2200 (Rsun, estimated)
Stellar Mass (Msun): 0.9900 (Msun/observed) 0.9900 (Msun/estimated)
Spectral type : G0
Metalicity : -0.2020
Absolute Magnitude : 3.05
Apparent Magnitude : 13.17
Right Ascension(RA) : 291.11188
Declination(DEC) : 39.94910
  • This is the Kepler-122 . The star Kepler-122 islocated about 3452.5 light-years (1058.5 pc) away from our Solar System.
  • The star Kepler-122 has apparent magnitude of 13.2, with absolute magnitude of 3.0.
  • It is 1.0 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6050 with its spectral types of G0
  • Number of Extrasolar Planets : 5
  • Name of the 1 Planet Kepler-122 b radius 0.209000 mass 0.018315 orbital distance 0.064000
  • Name of the 2 Planet Kepler-122 c radius 0.524000 mass 0.161456 orbital distance 0.108000
  • Name of the 3 Planet Kepler-122 d radius 0.196000 mass 0.017253 orbital distance 0.155000
  • Name of the 4 Planet Kepler-122 e radius 0.232000 mass 0.020182 orbital distance 0.227000
  • Name of the 5 Planet Kepler-122 f radius 0.156000 mass 0.113000 orbital distance 0.000000
    (Illustration of the Kepler-122's Planetary System)



    The Star Kepler-122 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.967 AU ( 144720046.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.337 AU ( 200040923.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.038 AU ( 304818098.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.998 AU ( 448553185.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-122)



    Kopparapu's Recent Venus for Star Kepler-122 distance : 0.986 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-122 distance : 1.249 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-122 distance : 1.206 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-122 distance : 1.322 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-122 distance : 2.191 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-122 distance : 2.311 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-122)



  • Original Kopparapu Recent Venus for Star Kepler-122 distance : 0.993 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-122 distance : 1.282 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-122 distance : 1.314 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-122 distance : 2.230 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-122 distance : 2.319 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-122)



    (Position in Stellar Map of star Kepler-122 )



    (Zoomed position in Stellar Map of star Kepler-122 (zoom level 3))

    (Synthetic Spectrum of star HIP 77257*)
    *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