Kepler-12

Display orbital revolution around the star Kepler-12
Imaginary Picture of Star Kepler-12
Star Name : Kepler-12
Alternate Name : "KOI-20, KIC 11804465, 2MASS J19045842+5002253, GSC 03549-00844, WISE J190458.41+500225.3"
Star Distance (LY/pc): 2949.7549 (LY) 904.4000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.4800 (Rsun, estimated)
Stellar Mass (Msun): 1.1700 (Msun/observed) 1.1700 (Msun/estimated)
Spectral type : G0
Metalicity : 0.0700
Absolute Magnitude : 3.62
Apparent Magnitude : 13.40
Right Ascension(RA) : 286.24345
Declination(DEC) : 50.04038
  • This is the Kepler-12 . The star Kepler-12 islocated about 2949.8 light-years (904.4 pc) away from our Solar System.
  • The star Kepler-12 has apparent magnitude of 13.4, with absolute magnitude of 3.6.
  • It is 1.2 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 5947 with its spectral types of G0
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-12 b radius 1.754000 mass 0.432000 orbital distance 0.055300
    (Illustration of the Kepler-12's Planetary System)



    The Star Kepler-12 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.134 AU ( 169635094.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.567 AU ( 234480031.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.388 AU ( 357295677.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.515 AU ( 525776241.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-12)



    Kopparapu's Recent Venus for Star Kepler-12 distance : 1.163 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-12 distance : 1.473 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-12 distance : 1.423 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-12 distance : 1.560 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-12 distance : 2.590 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-12 distance : 2.732 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-12)



  • Original Kopparapu Recent Venus for Star Kepler-12 distance : 1.169 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-12 distance : 1.513 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-12 distance : 1.547 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-12 distance : 2.636 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-12 distance : 2.742 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-12)



    (Position in Stellar Map of star Kepler-12 )



    (Zoomed position in Stellar Map of star Kepler-12 (zoom level 3))

    (Synthetic Spectrum of star HD 220689*)
    *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