K2-304

Display orbital revolution around the star K2-304
Imaginary Picture of Star K2-304
Star Name : K2-304
Alternate Name : "2MASS J13484949-1736355, WISE J134849.47-173635.6, EPIC 212297394"
Star Distance (LY/pc): 1364.6204 (LY) 418.3950 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8000 (Rsun, estimated)
Stellar Mass (Msun): 0.8300 (Msun/observed) 0.8300 (Msun/estimated)
Spectral type : G9/K0V
Metalicity : -0.0300
Absolute Magnitude : 6.31
Apparent Magnitude : 14.42
Right Ascension(RA) : 207.20622
Declination(DEC) : -17.60991
  • This is the K2-304 . The star K2-304 islocated about 1364.6 light-years (418.4 pc) away from our Solar System.
  • The star K2-304 has apparent magnitude of 14.4, with absolute magnitude of 6.3.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5171 with its spectral types of G9/K0V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet K2-304 b radius 0.118000 mass 0.008449 orbital distance 0.000000
  • Name of the 2 Planet K2-304 c radius 0.202500 mass 0.017785 orbital distance 0.055300
    (Illustration of the K2-304's Planetary System)



    The Star K2-304 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.463 AU ( 69326164.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.641 AU ( 95826876.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.976 AU ( 146018953.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.436 AU ( 214873287.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-304)



    Kopparapu's Recent Venus for Star K2-304 distance : 0.497 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-304 distance : 0.629 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-304 distance : 0.608 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-304 distance : 0.667 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-304 distance : 1.133 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-304 distance : 1.195 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-304)



  • Original Kopparapu Recent Venus for Star K2-304 distance : 0.493 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-304 distance : 0.648 AU
  • Original Kopparapu Moist Greenhouse for Star K2-304 distance : 0.652 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-304 distance : 1.152 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-304 distance : 1.198 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-304)



    (Position in Stellar Map of star K2-304 )



    (Zoomed position in Stellar Map of star K2-304 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1087*)
    *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