HD 216520

Display orbital revolution around the star HD 216520
Imaginary Picture of Star HD 216520
Star Name : HD 216520
Alternate Name : "2MASS J22473183+8341493, BD+82 704, HIP 112527, LSPM J2247+8341, SAO 3796, TIC 264899051, TYC 4650-00917-1, WISE J22473
Star Distance (LY/pc): 63.7961 (LY) 19.5600 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7600 (Rsun, estimated)
Stellar Mass (Msun): 0.8200 (Msun/observed) 0.8200 (Msun/estimated)
Spectral type : K0 V
Metalicity : -0.1600
Absolute Magnitude : 4.49
Apparent Magnitude : 5.95
Right Ascension(RA) : 341.88281
Declination(DEC) : 83.69703
  • This is the HD 216520 . The star HD 216520 islocated about 63.8 light-years (19.6 pc) away from our Solar System.
  • The star HD 216520 has apparent magnitude of 6.0, with absolute magnitude of 4.5.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5103 with its spectral types of K0 V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HD 216520 b radius 0.197743 mass 0.032280 orbital distance 0.198000
  • Name of the 2 Planet HD 216520 c radius 0.160117 mass 0.029700 orbital distance 0.528000
    (Illustration of the HD 216520's Planetary System)



    The Star HD 216520 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.429 AU ( 64139097.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.593 AU ( 88656993.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.903 AU ( 135093638.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.329 AU ( 198796207.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 216520)



    Kopparapu's Recent Venus for Star HD 216520 distance : 0.461 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 216520 distance : 0.584 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 216520 distance : 0.564 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 216520 distance : 0.619 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 216520 distance : 1.055 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 216520 distance : 1.113 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 216520)



  • Original Kopparapu Recent Venus for Star HD 216520 distance : 0.457 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 216520 distance : 0.602 AU
  • Original Kopparapu Moist Greenhouse for Star HD 216520 distance : 0.605 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 216520 distance : 1.073 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 216520 distance : 1.115 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 216520)



    (Position in Stellar Map of star HD 216520 )



    (Zoomed position in Stellar Map of star HD 216520 (zoom level 3))

    (Synthetic Spectrum of star TOI-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