K2-338

Display orbital revolution around the star K2-338
Imaginary Picture of Star K2-338
Star Name : K2-338
Alternate Name : EPIC 211779390
Star Distance (LY/pc): 511.9051 (LY) 156.9510 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6300 (Rsun, estimated)
Stellar Mass (Msun): 0.6600 (Msun/observed) 0.6600 (Msun/estimated)
Spectral type : K5V
Metalicity : -0.2300
Absolute Magnitude : 7.47
Apparent Magnitude : 13.45
Right Ascension(RA) : 124.36108
Declination(DEC) : 17.02436
  • This is the K2-338 . The star K2-338 islocated about 511.9 light-years (157.0 pc) away from our Solar System.
  • The star K2-338 has apparent magnitude of 13.4, with absolute magnitude of 7.5.
  • It is 0.7 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4558 with its spectral types of K5V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-338 b radius 0.091900 mass 0.003423 orbital distance 0.041880
    (Illustration of the K2-338's Planetary System)



    The Star K2-338 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.284 AU ( 42417718.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.392 AU ( 58632371.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.597 AU ( 89342759.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.879 AU ( 131471784.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-338)



    Kopparapu's Recent Venus for Star K2-338 distance : 0.313 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-338 distance : 0.396 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-338 distance : 0.382 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-338 distance : 0.419 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-338 distance : 0.731 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-338 distance : 0.771 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-338)



  • Original Kopparapu Recent Venus for Star K2-338 distance : 0.308 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-338 distance : 0.408 AU
  • Original Kopparapu Moist Greenhouse for Star K2-338 distance : 0.408 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-338 distance : 0.743 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-338 distance : 0.773 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-338)



    (Position in Stellar Map of star K2-338 )



    (Zoomed position in Stellar Map of star K2-338 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1117*)
    *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