HD 217850

Display orbital revolution around the star HD 217850
Imaginary Picture of Star HD 217850
Star Name : HD 217850
Alternate Name :
Star Distance (LY/pc): 214.9383 (LY) 65.9005 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0203 (Rsun, estimated)
Stellar Mass (Msun): 1.0300 (Msun/observed) 1.0300 (Msun/estimated)
Spectral type : G8V
Metalicity : 0.2600
Absolute Magnitude : 4.41
Apparent Magnitude : 8.50
Right Ascension(RA) : 345.65282
Declination(DEC) : 58.87611
  • This is the HD 217850 . The star HD 217850 islocated about 214.9 light-years (65.9 pc) away from our Solar System.
  • The star HD 217850 has apparent magnitude of 8.5, with absolute magnitude of 4.4.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5440 with its spectral types of G8V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 217850 b radius 0.907830 mass 22.160000 orbital distance 4.656000
    (Illustration of the HD 217850's Planetary System)



    The Star HD 217850 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.654 AU ( 97851930.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.904 AU ( 135256939.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.378 AU ( 206101642.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.027 AU ( 303287596.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 217850)



    Kopparapu's Recent Venus for Star HD 217850 distance : 0.546 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 217850 distance : 0.691 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 217850 distance : 0.668 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 217850 distance : 0.732 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 217850 distance : 1.233 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 217850 distance : 1.301 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 217850)



  • Original Kopparapu Recent Venus for Star HD 217850 distance : 0.543 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 217850 distance : 0.711 AU
  • Original Kopparapu Moist Greenhouse for Star HD 217850 distance : 0.719 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 217850 distance : 1.255 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 217850 distance : 1.305 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 217850)



    (Position in Stellar Map of star HD 217850 )



    (Zoomed position in Stellar Map of star HD 217850 (zoom level 3))

    (Synthetic Spectrum of star HD 110067*)
    *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