HD 216770

Display orbital revolution around the star HD 216770
Imaginary Picture of Star HD 216770
Star Name : HD 216770
Alternate Name :
Star Distance (LY/pc): 116.0285 (LY) 35.5745 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0000 (Rsun, estimated)
Stellar Mass (Msun): 0.9000 (Msun/observed) 0.9000 (Msun/estimated)
Spectral type : K1 V
Metalicity : 0.2300
Absolute Magnitude : 5.34
Apparent Magnitude : 8.10
Right Ascension(RA) : 343.97378
Declination(DEC) : -26.65861
  • This is the HD 216770 . The star HD 216770 islocated about 116.0 light-years (35.6 pc) away from our Solar System.
  • The star HD 216770 has apparent magnitude of 8.1, with absolute magnitude of 5.3.
  • It is 0.9 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5248 with its spectral types of K1 V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 216770 b radius 0.907830 mass 0.650000 orbital distance 0.460000
    (Illustration of the HD 216770's Planetary System)



    The Star HD 216770 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.597 AU ( 89257715.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.825 AU ( 123377488.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.257 AU ( 187999988.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.849 AU ( 276650218.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 216770)



    Kopparapu's Recent Venus for Star HD 216770 distance : 0.637 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 216770 distance : 0.807 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 216770 distance : 0.780 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 216770 distance : 0.855 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 216770 distance : 1.449 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 216770 distance : 1.528 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 216770)



  • Original Kopparapu Recent Venus for Star HD 216770 distance : 0.633 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 216770 distance : 0.831 AU
  • Original Kopparapu Moist Greenhouse for Star HD 216770 distance : 0.837 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 216770 distance : 1.474 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 216770 distance : 1.533 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 216770)



    (Position in Stellar Map of star HD 216770 )



    (Zoomed position in Stellar Map of star HD 216770 (zoom level 3))

    (Synthetic Spectrum of star HD 109749*)
    *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