K2-266

Display orbital revolution around the star K2-266
Imaginary Picture of Star K2-266
Star Name : K2-266
Alternate Name : "2MASS J10314450+0056152, EPIC 248435473, EPIC 248435473 A, K2-266 A, WISE J103144.54+005614.5"
Star Distance (LY/pc): 251.6620 (LY) 77.1600 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7000 (Rsun, estimated)
Stellar Mass (Msun): 0.6900 (Msun/observed) 0.6900 (Msun/estimated)
Spectral type : K
Metalicity : -0.1200
Absolute Magnitude : 5.17
Apparent Magnitude : 9.61
Right Ascension(RA) : 157.93544
Declination(DEC) : 0.93757
  • This is the K2-266 . The star K2-266 islocated about 251.7 light-years (77.2 pc) away from our Solar System.
  • The star K2-266 has apparent magnitude of 9.6, with absolute magnitude of 5.2.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4285 with its spectral types of K
  • Number of Extrasolar Planets : 4
  • Name of the 1 Planet K2-266 b radius 0.294000 mass 0.035500 orbital distance 0.013060
  • Name of the 2 Planet K2-266 c radius 0.063000 mass 0.000910 orbital distance 0.067900
  • Name of the 3 Planet K2-266 d radius 0.261000 mass 0.028000 orbital distance 0.103500
  • Name of the 4 Planet K2-266 e radius 0.244000 mass 0.044990 orbital distance 0.124900
    (Illustration of the K2-266's Planetary System)



    The Star K2-266 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.278 AU ( 41654104.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.385 AU ( 57576858.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.586 AU ( 87734390.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.863 AU ( 129104998.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-266)



    Kopparapu's Recent Venus for Star K2-266 distance : 0.310 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-266 distance : 0.392 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-266 distance : 0.379 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-266 distance : 0.415 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-266 distance : 0.734 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-266 distance : 0.774 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-266)



  • Original Kopparapu Recent Venus for Star K2-266 distance : 0.306 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-266 distance : 0.405 AU
  • Original Kopparapu Moist Greenhouse for Star K2-266 distance : 0.404 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-266 distance : 0.745 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-266 distance : 0.775 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-266)



    (Position in Stellar Map of star K2-266 )



    (Zoomed position in Stellar Map of star K2-266 (zoom level 3))

    (Synthetic Spectrum of star Kepler-971*)
    *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