K2-55

Display orbital revolution around the star K2-55
Imaginary Picture of Star K2-55
Star Name : K2-55
Alternate Name : "2MASS J22150046-1715025, EPIC 205924614, WISE J221500.44-171502.7"
Star Distance (LY/pc): 517.7326 (LY) 158.7377 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6300 (Rsun, estimated)
Stellar Mass (Msun): 0.7000 (Msun/observed) 0.7000 (Msun/estimated)
Spectral type : K5
Metalicity : 0.3760
Absolute Magnitude : 7.60
Apparent Magnitude : 13.60
Right Ascension(RA) : 333.75193
Declination(DEC) : -17.25071
  • This is the K2-55 . The star K2-55 islocated about 517.7 light-years (158.7 pc) away from our Solar System.
  • The star K2-55 has apparent magnitude of 13.6, with absolute magnitude of 7.6.
  • It is 0.7 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4456 with its spectral types of K5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-55 b radius 0.341000 mass 0.138000 orbital distance 0.034860
    (Illustration of the K2-55's Planetary System)



    The Star K2-55 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.271 AU ( 40540493.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.375 AU ( 56037555.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.571 AU ( 85388834.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.840 AU ( 125653410.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-55)



    Kopparapu's Recent Venus for Star K2-55 distance : 0.300 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-55 distance : 0.379 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-55 distance : 0.367 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-55 distance : 0.402 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-55 distance : 0.704 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-55 distance : 0.743 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-55)



  • Original Kopparapu Recent Venus for Star K2-55 distance : 0.296 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-55 distance : 0.392 AU
  • Original Kopparapu Moist Greenhouse for Star K2-55 distance : 0.391 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-55 distance : 0.716 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-55 distance : 0.744 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-55)



    (Position in Stellar Map of star K2-55 )



    (Zoomed position in Stellar Map of star K2-55 (zoom level 3))

    (Synthetic Spectrum of star Kepler-755*)
    *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