K2-181

Display orbital revolution around the star K2-181
Imaginary Picture of Star K2-181
Star Name : K2-181
Alternate Name : "2MASS J08301297+1054371, EPIC 211355342, WISE J083012.98+105436.7"
Star Distance (LY/pc): 1173.7297 (LY) 359.8676 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0700 (Rsun, estimated)
Stellar Mass (Msun): 0.9900 (Msun/observed) 0.9900 (Msun/estimated)
Spectral type : G6
Metalicity : 0.2300
Absolute Magnitude : 3.66
Apparent Magnitude : 11.44
Right Ascension(RA) : 127.55403
Declination(DEC) : 10.91029
  • This is the K2-181 . The star K2-181 islocated about 1173.7 light-years (359.9 pc) away from our Solar System.
  • The star K2-181 has apparent magnitude of 11.4, with absolute magnitude of 3.7.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5608 with its spectral types of G6
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-181 b radius 0.253000 mass 0.021876 orbital distance 0.070600
    (Illustration of the K2-181's Planetary System)



    The Star K2-181 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.729 AU ( 109058093.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.008 AU ( 150746785.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.535 AU ( 229704740.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.260 AU ( 338020588.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-181)



    Kopparapu's Recent Venus for Star K2-181 distance : 0.763 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-181 distance : 0.967 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-181 distance : 0.933 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-181 distance : 1.024 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-181 distance : 1.715 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-181 distance : 1.809 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-181)



  • Original Kopparapu Recent Venus for Star K2-181 distance : 0.762 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-181 distance : 0.994 AU
  • Original Kopparapu Moist Greenhouse for Star K2-181 distance : 1.008 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-181 distance : 1.745 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-181 distance : 1.815 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-181)



    (Position in Stellar Map of star K2-181 )



    (Zoomed position in Stellar Map of star K2-181 (zoom level 3))

    (Synthetic Spectrum of star Kepler-855*)
    *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