K2-255

Display orbital revolution around the star K2-255
Imaginary Picture of Star K2-255
Star Name : K2-255
Alternate Name : "2MASS J12393912-0322138, EPIC 228894622, WISE J123939.09-032213.9"
Star Distance (LY/pc): 627.5241 (LY) 192.4000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6900 (Rsun, estimated)
Stellar Mass (Msun): 0.7100 (Msun/observed) 0.7100 (Msun/estimated)
Spectral type : K4
Metalicity : -0.1400
Absolute Magnitude : 5.13
Apparent Magnitude : 11.56
Right Ascension(RA) : 189.91299
Declination(DEC) : -3.37054
  • This is the K2-255 . The star K2-255 islocated about 627.5 light-years (192.4 pc) away from our Solar System.
  • The star K2-255 has apparent magnitude of 11.6, with absolute magnitude of 5.1.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4676 with its spectral types of K4
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-255 b radius 0.259000 mass 0.022358 orbital distance 0.027400
    (Illustration of the K2-255's Planetary System)



    The Star K2-255 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.327 AU ( 48894072.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.452 AU ( 67584385.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.688 AU ( 102983646.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.013 AU ( 151544947.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-255)



    Kopparapu's Recent Venus for Star K2-255 distance : 0.359 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-255 distance : 0.454 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-255 distance : 0.439 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-255 distance : 0.481 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-255 distance : 0.834 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-255 distance : 0.880 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-255)



  • Original Kopparapu Recent Venus for Star K2-255 distance : 0.354 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-255 distance : 0.468 AU
  • Original Kopparapu Moist Greenhouse for Star K2-255 distance : 0.468 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-255 distance : 0.848 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-255 distance : 0.882 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-255)



    (Position in Stellar Map of star K2-255 )



    (Zoomed position in Stellar Map of star K2-255 (zoom level 3))

    (Synthetic Spectrum of star Kepler-964*)
    *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