K2-308

Display orbital revolution around the star K2-308
Imaginary Picture of Star K2-308
Star Name : K2-308
Alternate Name : "EPIC 246865365, 2MASS J05132138+1624510, WISE J051321.40+162451.1"
Star Distance (LY/pc): 4941.7576 (LY) 1515.1515 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.2400 (Rsun, estimated)
Stellar Mass (Msun): 1.0900 (Msun/observed) 1.0900 (Msun/estimated)
Spectral type : G0
Metalicity : -0.1000
Absolute Magnitude : 4.10
Apparent Magnitude : 15.00
Right Ascension(RA) : 78.33913
Declination(DEC) : 16.41420
  • This is the K2-308 . The star K2-308 islocated about 4941.8 light-years (1515.2 pc) away from our Solar System.
  • The star K2-308 has apparent magnitude of 15.0, with absolute magnitude of 4.1.
  • It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6100 with its spectral types of G0
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-308 b radius 0.884000 mass 0.025000 orbital distance 0.000000
    (Illustration of the K2-308's Planetary System)



    The Star K2-308 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.000 AU ( 149533833.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.382 AU ( 206694836.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.105 AU ( 314957188.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.098 AU ( 463473300.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-308)



    Kopparapu's Recent Venus for Star K2-308 distance : 1.016 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-308 distance : 1.287 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-308 distance : 1.243 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-308 distance : 1.362 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-308 distance : 2.254 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-308 distance : 2.378 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-308)



  • Original Kopparapu Recent Venus for Star K2-308 distance : 1.024 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-308 distance : 1.321 AU
  • Original Kopparapu Moist Greenhouse for Star K2-308 distance : 1.355 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-308 distance : 2.295 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-308 distance : 2.386 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-308)



    (Position in Stellar Map of star K2-308 )



    (Zoomed position in Stellar Map of star K2-308 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1090*)
    *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