K2-238

Display orbital revolution around the star K2-238
Imaginary Picture of Star K2-238
Star Name : K2-238
Alternate Name : "2MASS J23104905-0751270, EPIC 246067459, WISE J231049.06-075127.2"
Star Distance (LY/pc): 111316.0410 (LY) 34129.6928 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.5900 (Rsun, estimated)
Stellar Mass (Msun): 1.1900 (Msun/observed) 1.1900 (Msun/estimated)
Spectral type : G2 V
Metalicity : 0.3400
Absolute Magnitude : -3.92
Apparent Magnitude : 13.75
Right Ascension(RA) : 347.70435
Declination(DEC) : -7.85750
  • This is the K2-238 . The star K2-238 islocated about 111316.0 light-years (34129.7 pc) away from our Solar System.
  • The star K2-238 has apparent magnitude of 13.8, with absolute magnitude of -3.9.
  • It is 1.2 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 5630 with its spectral types of G2 V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-238 b radius 1.300000 mass 0.860000 orbital distance 0.046000
    (Illustration of the K2-238's Planetary System)



    The Star K2-238 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.092 AU ( 163332280.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.509 AU ( 225767895.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.300 AU ( 344020310.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.384 AU ( 506240958.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-238)



    Kopparapu's Recent Venus for Star K2-238 distance : 1.142 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-238 distance : 1.446 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-238 distance : 1.396 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-238 distance : 1.531 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-238 distance : 2.563 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-238 distance : 2.704 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-238)



  • Original Kopparapu Recent Venus for Star K2-238 distance : 1.140 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-238 distance : 1.486 AU
  • Original Kopparapu Moist Greenhouse for Star K2-238 distance : 1.508 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-238 distance : 2.608 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-238 distance : 2.712 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-238)



    (Position in Stellar Map of star K2-238 )



    (Zoomed position in Stellar Map of star K2-238 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1027*)
    *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