KOI-12

Display orbital revolution around the star KOI-12
Imaginary Picture of Star KOI-12
Star Name : KOI-12
Alternate Name : "KOI-12, 2MASS J19494889+4100395, KIC 5812701, Kepler-448, TYC 3140-349-1, WISE J194948.89+410039.6"
Star Distance (LY/pc): 1317.6423 (LY) 403.9914 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.4000 (Rsun, estimated)
Stellar Mass (Msun): 1.5000 (Msun/observed) 1.5000 (Msun/estimated)
Spectral type : F3
Metalicity : 0.0000
Absolute Magnitude : 3.48
Apparent Magnitude : 11.51
Right Ascension(RA) : 297.45372
Declination(DEC) : 41.01099
  • This is the KOI-12 . The star KOI-12 islocated about 1317.6 light-years (404.0 pc) away from our Solar System.
  • The star KOI-12 has apparent magnitude of 11.5, with absolute magnitude of 3.5.
  • It is 1.5 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6820 with its spectral types of F3
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-448 c radius 0.907830 mass 22.000000 orbital distance 4.200000
    (Illustration of the KOI-12's Planetary System)



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

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.411 AU ( 211035198.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.950 AU ( 291705794.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.971 AU ( 444495076.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.372 AU ( 654093977.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KOI-12)



    Kopparapu's Recent Venus for Star KOI-12 distance : 1.375 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star KOI-12 distance : 1.742 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star KOI-12 distance : 1.682 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star KOI-12 distance : 1.841 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star KOI-12 distance : 3.018 AU
    Kopparapu's Outer Boundary for Early Mars for Star KOI-12 distance : 3.183 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KOI-12)



  • Original Kopparapu Recent Venus for Star KOI-12 distance : 1.409 AU
  • Original Kopparapu Runaway Greenhouse for Star KOI-12 distance : 1.784 AU
  • Original Kopparapu Moist Greenhouse for Star KOI-12 distance : 1.864 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KOI-12 distance : 3.073 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KOI-12 distance : 3.196 AU

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



    (Position in Stellar Map of star KOI-12 )



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

    (Synthetic Spectrum of star Kepler-31*)
    *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